"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": "key",
        "3": "er"
      },
      "expansion": "key + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From 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": "3 21 5 71",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 11 64",
          "kind": "other",
          "name": "English terms suffixed with -er",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "2 27 4 68",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "2 24 3 71",
          "kind": "other",
          "name": "Pages with entries",
          "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"
      ]
    }
  ],
  "wikipedia": [
    "keyer"
  ],
  "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"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "wikipedia": [
    "keyer"
  ],
  "word": "keyer"
}

{
  "categories": [
    "English comparative adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English nouns",
    "English terms suffixed with -er",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Computer hardware"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "key",
        "3": "er"
      },
      "expansion": "key + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From 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"
      ]
    }
  ],
  "wikipedia": [
    "keyer"
  ],
  "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"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "wikipedia": [
    "keyer"
  ],
  "word": "keyer"
}