"preselector" meaning in English

{
  "etymology_templates": [
    {
      "args": {
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        "2": "pre",
        "3": "selector"
      },
      "expansion": "pre- + selector",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + selector.",
  "forms": [
    {
      "form": "preselectors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "preselector (plural preselectors)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Any of various radio switching or filtering devices."
      ],
      "id": "en-preselector-en-noun-8ZkyAmD4",
      "links": [
        [
          "radio",
          "radio"
        ],
        [
          "switching",
          "switching"
        ],
        [
          "filtering",
          "filtering"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Automotive",
          "orig": "en:Automotive",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
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            "Entry maintenance"
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          "source": "w+disamb"
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        {
          "_dis": "32 68",
          "kind": "other",
          "name": "English terms prefixed with pre-",
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        {
          "_dis": "29 71",
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          "parents": [],
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          "name": "Pages with entries",
          "parents": [],
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        }
      ],
      "glosses": [
        "A manual gearbox designed so that the manual shift lever preselects the next gear to be used and a separate pedal is used to engage it, without needing to work a manual clutch."
      ],
      "id": "en-preselector-en-noun-xhvJa7HX",
      "links": [
        [
          "automotive",
          "automotive"
        ],
        [
          "manual",
          "manual"
        ],
        [
          "gearbox",
          "gearbox"
        ],
        [
          "clutch",
          "clutch"
        ]
      ],
      "raw_glosses": [
        "(automotive) A manual gearbox designed so that the manual shift lever preselects the next gear to be used and a separate pedal is used to engage it, without needing to work a manual clutch."
      ],
      "topics": [
        "automotive",
        "transport",
        "vehicles"
      ]
    }
  ],
  "wikipedia": [
    "preselector"
  ],
  "word": "preselector"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with pre-",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "selector"
      },
      "expansion": "pre- + selector",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + selector.",
  "forms": [
    {
      "form": "preselectors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "preselector (plural preselectors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Any of various radio switching or filtering devices."
      ],
      "links": [
        [
          "radio",
          "radio"
        ],
        [
          "switching",
          "switching"
        ],
        [
          "filtering",
          "filtering"
        ]
      ]
    },
    {
      "categories": [
        "en:Automotive"
      ],
      "glosses": [
        "A manual gearbox designed so that the manual shift lever preselects the next gear to be used and a separate pedal is used to engage it, without needing to work a manual clutch."
      ],
      "links": [
        [
          "automotive",
          "automotive"
        ],
        [
          "manual",
          "manual"
        ],
        [
          "gearbox",
          "gearbox"
        ],
        [
          "clutch",
          "clutch"
        ]
      ],
      "raw_glosses": [
        "(automotive) A manual gearbox designed so that the manual shift lever preselects the next gear to be used and a separate pedal is used to engage it, without needing to work a manual clutch."
      ],
      "topics": [
        "automotive",
        "transport",
        "vehicles"
      ]
    }
  ],
  "wikipedia": [
    "preselector"
  ],
  "word": "preselector"
}