"keyer" meaning in English

{
  "categories": [
    {
      "_dis": "0 0 0 0",
      "kind": "other",
      "langcode": "en",
      "name": "Computer hardware",
      "orig": "en:Computer hardware",
      "parents": [],
      "source": "w+disamb"
    }
  ],
  "etymology_number": "1",
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "key",
        "4": "-er",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-West Germanic *kaiju\nOld English cǣġ\nMiddle English keye\nEnglish key\nEnglish -er\nEnglish keyer\n[Appendix:Glossary#inherited|Inherited]] from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Old English\", \"term\" : \"cǣġ\", \"status\" : \"ok\", \"lang\" : \"ang\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"keye\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"key\", \"status\" : \"ok\", \"lang\" : \"en\" }, { \"children\" : [ ], \"lang_name\" : \"English\", \"term\" : \"-er\", \"status\" : \"ambiguous\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"keyer\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"keyer\">\nFrom key + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nProto-West Germanic *kaiju\nOld English cǣġ\nMiddle English keye\nEnglish key\nEnglish -er\nEnglish keyer\nFrom key + -er.",
  "forms": [
    {
      "form": "keyers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "keyer (plural keyers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One who, or that which, keys."
      ],
      "id": "en-keyer-en-noun-3v2bIcGB",
      "links": [
        [
          "key",
          "key"
        ]
      ]
    },
    {
      "glosses": [
        "A device for signalling by pressing keys or switches."
      ],
      "id": "en-keyer-en-noun-0x4~5UML",
      "links": [
        [
          "device",
          "device"
        ],
        [
          "signal",
          "signal"
        ],
        [
          "key",
          "key"
        ],
        [
          "switch",
          "switch"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Television",
          "orig": "en:Television",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "28 11 61",
          "kind": "other",
          "name": "English entries referencing ambiguous etymons",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "30 11 60",
          "kind": "other",
          "name": "English entries referencing pages with etymology sections missing etymons",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "30 11 59",
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "30 11 59",
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "29 10 60",
          "kind": "other",
          "name": "English entries with etymon",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "2 28 8 61",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "28 21 51",
          "kind": "other",
          "name": "English terms suffixed with -er",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "22 8 70",
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "2 13 5 80",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "2 23 4 71",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "18 7 75",
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 6 78",
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A device that replaces a fixed colour in the image with some other picture or background; chromakeyer."
      ],
      "id": "en-keyer-en-noun-9hNzfd6p",
      "links": [
        [
          "television",
          "television"
        ],
        [
          "device",
          "device"
        ],
        [
          "chromakeyer",
          "chromakeyer"
        ]
      ],
      "raw_glosses": [
        "(television) A device that replaces a fixed colour in the image with some other picture or background; chromakeyer."
      ],
      "topics": [
        "broadcasting",
        "media",
        "television"
      ]
    }
  ],
  "word": "keyer"
}

{
  "categories": [
    {
      "_dis": "0 0 0 0",
      "kind": "other",
      "langcode": "en",
      "name": "Computer hardware",
      "orig": "en:Computer hardware",
      "parents": [],
      "source": "w+disamb"
    }
  ],
  "etymology_number": "2",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "comparative adjective"
      },
      "expansion": "keyer",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [],
      "form_of": [
        {
          "extra": "more key",
          "word": "key"
        }
      ],
      "glosses": [
        "comparative form of key: more key"
      ],
      "id": "en-keyer-en-adj-jFFELiUj",
      "links": [
        [
          "key",
          "key#English"
        ],
        [
          "key",
          "key#English"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "word": "keyer"
}

{
  "categories": [
    "English comparative adjectives",
    "English countable nouns",
    "English entries referencing ambiguous etymons",
    "English entries referencing pages with etymology sections missing etymons",
    "English entries with etymology texts",
    "English entries with etymology trees",
    "English entries with etymon",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English nouns",
    "English terms suffixed with -er",
    "Pages using etymon with no ID",
    "Pages with 1 entry",
    "Pages with entries",
    "Pages with etymology trees",
    "Pages with etymon",
    "en:Computer hardware"
  ],
  "etymology_number": "1",
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "key",
        "4": "-er",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-West Germanic *kaiju\nOld English cǣġ\nMiddle English keye\nEnglish key\nEnglish -er\nEnglish keyer\n[Appendix:Glossary#inherited|Inherited]] from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Old English\", \"term\" : \"cǣġ\", \"status\" : \"ok\", \"lang\" : \"ang\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"keye\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"key\", \"status\" : \"ok\", \"lang\" : \"en\" }, { \"children\" : [ ], \"lang_name\" : \"English\", \"term\" : \"-er\", \"status\" : \"ambiguous\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"keyer\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"keyer\">\nFrom key + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nProto-West Germanic *kaiju\nOld English cǣġ\nMiddle English keye\nEnglish key\nEnglish -er\nEnglish keyer\nFrom key + -er.",
  "forms": [
    {
      "form": "keyers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "keyer (plural keyers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One who, or that which, keys."
      ],
      "links": [
        [
          "key",
          "key"
        ]
      ]
    },
    {
      "glosses": [
        "A device for signalling by pressing keys or switches."
      ],
      "links": [
        [
          "device",
          "device"
        ],
        [
          "signal",
          "signal"
        ],
        [
          "key",
          "key"
        ],
        [
          "switch",
          "switch"
        ]
      ]
    },
    {
      "categories": [
        "en:Television"
      ],
      "glosses": [
        "A device that replaces a fixed colour in the image with some other picture or background; chromakeyer."
      ],
      "links": [
        [
          "television",
          "television"
        ],
        [
          "device",
          "device"
        ],
        [
          "chromakeyer",
          "chromakeyer"
        ]
      ],
      "raw_glosses": [
        "(television) A device that replaces a fixed colour in the image with some other picture or background; chromakeyer."
      ],
      "topics": [
        "broadcasting",
        "media",
        "television"
      ]
    }
  ],
  "word": "keyer"
}

{
  "categories": [
    "English comparative adjectives",
    "English entries with incorrect language header",
    "English non-lemma forms",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Computer hardware"
  ],
  "etymology_number": "2",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "comparative adjective"
      },
      "expansion": "keyer",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English comparative adjectives"
      ],
      "form_of": [
        {
          "extra": "more key",
          "word": "key"
        }
      ],
      "glosses": [
        "comparative form of key: more key"
      ],
      "links": [
        [
          "key",
          "key#English"
        ],
        [
          "key",
          "key#English"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "word": "keyer"
}