"laryngeal pouch" meaning in English

{
  "forms": [
    {
      "form": "laryngeal pouches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "laryngeal pouch (plural laryngeal pouches)",
      "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",
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          "source": "w"
        },
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          "source": "w"
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        {
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of laryngeal saccule."
      ],
      "id": "en-laryngeal_pouch-en-noun-y~o3oEeO",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "laryngeal saccule",
          "laryngeal saccule#English"
        ]
      ],
      "raw_glosses": [
        "(anatomy) Synonym of laryngeal saccule."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "laryngeal saccule"
        }
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "laryngeal pouch"
}

{
  "forms": [
    {
      "form": "laryngeal pouches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "laryngeal pouch (plural laryngeal pouches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
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        "en:Anatomy"
      ],
      "glosses": [
        "Synonym of laryngeal saccule."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "laryngeal saccule",
          "laryngeal saccule#English"
        ]
      ],
      "raw_glosses": [
        "(anatomy) Synonym of laryngeal saccule."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "laryngeal saccule"
        }
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "laryngeal pouch"
}