"deer-neck" meaning in English

{
  "forms": [
    {
      "form": "deer-necks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "deer-neck (plural deer-necks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Horses",
          "orig": "en:Horses",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A thin, or ill-formed neck of a horse, particularly a neck looking like it is upside-down."
      ],
      "id": "en-deer-neck-en-noun-uboVarkd",
      "links": [
        [
          "horse",
          "horse"
        ],
        [
          "upside-down",
          "upside-down"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A thin, or ill-formed neck of a horse, particularly a neck looking like it is upside-down."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "deer-neck"
}

{
  "forms": [
    {
      "form": "deer-necks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "deer-neck (plural deer-necks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with obsolete senses",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Horses"
      ],
      "glosses": [
        "A thin, or ill-formed neck of a horse, particularly a neck looking like it is upside-down."
      ],
      "links": [
        [
          "horse",
          "horse"
        ],
        [
          "upside-down",
          "upside-down"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A thin, or ill-formed neck of a horse, particularly a neck looking like it is upside-down."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "deer-neck"
}