"deltoid muscle" meaning in English

{
  "etymology_text": "Short for deltoideus + muscle. Previously the deltoideus muscle and musculus deltoideus.",
  "forms": [
    {
      "form": "deltoid muscles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "deltoid muscle (plural deltoid muscles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
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      ],
      "glosses": [
        "A triangular muscle on the human shoulder."
      ],
      "id": "en-deltoid_muscle-en-noun-8Rgkq8VQ",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "muscle",
          "muscle"
        ],
        [
          "shoulder",
          "shoulder"
        ]
      ],
      "raw_glosses": [
        "(anatomy) A triangular muscle on the human shoulder."
      ],
      "synonyms": [
        {
          "word": "colloquially"
        },
        {
          "word": "the deltoid"
        }
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "deltoid muscle"
      ]
    }
  ],
  "word": "deltoid muscle"
}

{
  "etymology_text": "Short for deltoideus + muscle. Previously the deltoideus muscle and musculus deltoideus.",
  "forms": [
    {
      "form": "deltoid muscles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "deltoid muscle (plural deltoid muscles)",
      "name": "en-noun"
    }
  ],
  "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",
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        "Pages with 1 entry",
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      ],
      "glosses": [
        "A triangular muscle on the human shoulder."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "muscle",
          "muscle"
        ],
        [
          "shoulder",
          "shoulder"
        ]
      ],
      "raw_glosses": [
        "(anatomy) A triangular muscle on the human shoulder."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "deltoid muscle"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "colloquially"
    },
    {
      "word": "the deltoid"
    }
  ],
  "word": "deltoid muscle"
}