"pectoralis major" meaning in English

{
  "forms": [
    {
      "form": "pectoralis majors",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "pectorales majores",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "pectorales majores"
      },
      "expansion": "pectoralis major (plural pectoralis majors or pectorales majores)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 65:",
          "text": "With the pectoralis major cut off, the shoulders caved inward as if in a perpetual shrug, making it impossible to move the arm forward or sideways.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The large muscle that covers the chest and ribs."
      ],
      "id": "en-pectoralis_major-en-noun-~dEUzhDT",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "muscle",
          "muscle"
        ],
        [
          "chest",
          "chest"
        ],
        [
          "ribs",
          "ribs"
        ]
      ],
      "raw_glosses": [
        "(anatomy) The large muscle that covers the chest and ribs."
      ],
      "synonyms": [
        {
          "tags": [
            "informal"
          ],
          "word": "pec"
        }
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "pectoralis major"
}

{
  "forms": [
    {
      "form": "pectoralis majors",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "pectorales majores",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "pectorales majores"
      },
      "expansion": "pectoralis major (plural pectoralis majors or pectorales majores)",
      "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 quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Anatomy"
      ],
      "examples": [
        {
          "ref": "2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 65:",
          "text": "With the pectoralis major cut off, the shoulders caved inward as if in a perpetual shrug, making it impossible to move the arm forward or sideways.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The large muscle that covers the chest and ribs."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "muscle",
          "muscle"
        ],
        [
          "chest",
          "chest"
        ],
        [
          "ribs",
          "ribs"
        ]
      ],
      "raw_glosses": [
        "(anatomy) The large muscle that covers the chest and ribs."
      ],
      "synonyms": [
        {
          "tags": [
            "informal"
          ],
          "word": "pec"
        }
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "pectoralis major"
}