"necker's knob" meaning in English

{
  "forms": [
    {
      "form": "necker's knobs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "necker's knob (plural necker's knobs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Auto parts",
          "orig": "en:Auto parts",
          "parents": [
            "Automobiles",
            "Automotive",
            "Vehicles",
            "Transport",
            "Machines",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1963, Herbert Gold, Salt: A Novel, Dial Press, page 246:",
          "text": "You remember the necker's knob on your high school jalopy?",
          "type": "quote"
        }
      ],
      "glosses": [
        "A knob attached to the steering wheel of an automobile, especially before the widespread availability of power steering, helping the driver steer with one arm and leaving the other arm free to provide romantic attention to a companion."
      ],
      "id": "en-necker's_knob-en-noun-huX9DIiT",
      "links": [
        [
          "steering wheel",
          "steering wheel"
        ],
        [
          "automobile",
          "automobile"
        ],
        [
          "power steering",
          "power steering"
        ],
        [
          "driver",
          "driver"
        ],
        [
          "romantic",
          "romantic"
        ],
        [
          "attention",
          "attention"
        ],
        [
          "companion",
          "companion"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, slang, dated) A knob attached to the steering wheel of an automobile, especially before the widespread availability of power steering, helping the driver steer with one arm and leaving the other arm free to provide romantic attention to a companion."
      ],
      "related": [
        {
          "word": "Brodie knob"
        }
      ],
      "synonyms": [
        {
          "word": "necker knob"
        }
      ],
      "tags": [
        "dated",
        "idiomatic",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-necker's knob.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7e/En-au-necker%27s_knob.ogg/En-au-necker%27s_knob.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/7e/En-au-necker%27s_knob.ogg"
    }
  ],
  "word": "necker's knob"
}

{
  "forms": [
    {
      "form": "necker's knobs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "necker's knob (plural necker's knobs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Brodie knob"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Auto parts"
      ],
      "examples": [
        {
          "ref": "1963, Herbert Gold, Salt: A Novel, Dial Press, page 246:",
          "text": "You remember the necker's knob on your high school jalopy?",
          "type": "quote"
        }
      ],
      "glosses": [
        "A knob attached to the steering wheel of an automobile, especially before the widespread availability of power steering, helping the driver steer with one arm and leaving the other arm free to provide romantic attention to a companion."
      ],
      "links": [
        [
          "steering wheel",
          "steering wheel"
        ],
        [
          "automobile",
          "automobile"
        ],
        [
          "power steering",
          "power steering"
        ],
        [
          "driver",
          "driver"
        ],
        [
          "romantic",
          "romantic"
        ],
        [
          "attention",
          "attention"
        ],
        [
          "companion",
          "companion"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, slang, dated) A knob attached to the steering wheel of an automobile, especially before the widespread availability of power steering, helping the driver steer with one arm and leaving the other arm free to provide romantic attention to a companion."
      ],
      "tags": [
        "dated",
        "idiomatic",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-necker's knob.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7e/En-au-necker%27s_knob.ogg/En-au-necker%27s_knob.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/7e/En-au-necker%27s_knob.ogg"
    }
  ],
  "synonyms": [
    {
      "word": "necker knob"
    }
  ],
  "word": "necker's knob"
}