"gastric mill" meaning in English

{
  "forms": [
    {
      "form": "gastric mills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gastric mill (plural gastric mills)",
      "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"
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          "source": "w"
        },
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          "name": "Entries with translation boxes",
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        },
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          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Norwegian Bokmål translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Animal body parts",
          "orig": "en:Animal body parts",
          "parents": [
            "Body parts",
            "Animals",
            "Body",
            "Anatomy",
            "Lifeforms",
            "All topics",
            "Biology",
            "Medicine",
            "Life",
            "Fundamental",
            "Sciences",
            "Healthcare",
            "Nature",
            "Health"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organs",
          "orig": "en:Organs",
          "parents": [
            "Body parts",
            "Body",
            "Anatomy",
            "All topics",
            "Biology",
            "Medicine",
            "Fundamental",
            "Sciences",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "gastric teeth"
        }
      ],
      "glosses": [
        "An organ in the gastrointestinal tract of some animals, particularly crustaceans, which contains dentition, that is used to grind food. The gnashing of the teeth/plates in the mill is also used by some of the creatures to create audible growling, as a form of communication."
      ],
      "id": "en-gastric_mill-en-noun-1ABVidmj",
      "links": [
        [
          "gastrointestinal tract",
          "gastrointestinal tract"
        ],
        [
          "crustaceans",
          "crustacean"
        ]
      ],
      "related": [
        {
          "word": "cud"
        },
        {
          "word": "gastrolith"
        },
        {
          "word": "gizzard"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "note": "in crustaceans",
          "sense": "organ to grind food",
          "word": "purumaha"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "note": "in crustaceans",
          "sense": "organ to grind food",
          "tags": [
            "masculine"
          ],
          "word": "pave"
        }
      ]
    }
  ],
  "word": "gastric mill"
}

{
  "coordinate_terms": [
    {
      "word": "gastric teeth"
    }
  ],
  "forms": [
    {
      "form": "gastric mills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gastric mill (plural gastric mills)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "cud"
    },
    {
      "word": "gastrolith"
    },
    {
      "word": "gizzard"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Norwegian Bokmål translations",
        "en:Animal body parts",
        "en:Organs"
      ],
      "glosses": [
        "An organ in the gastrointestinal tract of some animals, particularly crustaceans, which contains dentition, that is used to grind food. The gnashing of the teeth/plates in the mill is also used by some of the creatures to create audible growling, as a form of communication."
      ],
      "links": [
        [
          "gastrointestinal tract",
          "gastrointestinal tract"
        ],
        [
          "crustaceans",
          "crustacean"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "note": "in crustaceans",
      "sense": "organ to grind food",
      "word": "purumaha"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "note": "in crustaceans",
      "sense": "organ to grind food",
      "tags": [
        "masculine"
      ],
      "word": "pave"
    }
  ],
  "word": "gastric mill"
}