"chevron bone" meaning in English

{
  "forms": [
    {
      "form": "chevron bones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chevron bone (plural chevron bones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of the V-shaped subvertebral arches which enclose the caudal blood vessels in some animals."
      ],
      "id": "en-chevron_bone-en-noun-1fO5JLbA",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "subvertebral",
          "subvertebral"
        ],
        [
          "arch",
          "arch"
        ],
        [
          "caudal",
          "caudal"
        ],
        [
          "blood vessel",
          "blood vessel"
        ],
        [
          "animal",
          "animal"
        ]
      ],
      "raw_glosses": [
        "(anatomy) Any of the V-shaped subvertebral arches which enclose the caudal blood vessels in some animals."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "chevron bone"
}

{
  "forms": [
    {
      "form": "chevron bones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chevron bone (plural chevron bones)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "en:Anatomy"
      ],
      "glosses": [
        "Any of the V-shaped subvertebral arches which enclose the caudal blood vessels in some animals."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "subvertebral",
          "subvertebral"
        ],
        [
          "arch",
          "arch"
        ],
        [
          "caudal",
          "caudal"
        ],
        [
          "blood vessel",
          "blood vessel"
        ],
        [
          "animal",
          "animal"
        ]
      ],
      "raw_glosses": [
        "(anatomy) Any of the V-shaped subvertebral arches which enclose the caudal blood vessels in some animals."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "chevron bone"
}