"下双子筋" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "下",
        "3": "双子筋",
        "sort": "かそうしきん",
        "t1": "lower",
        "t2": "gemellus muscle"
      },
      "expansion": "下 (“lower”) + 双子筋 (“gemellus muscle”)",
      "name": "pre"
    },
    {
      "args": {
        "1": "ja",
        "2": "NL.",
        "3": "mūsculus gemellus īnferior",
        "nocap": "y",
        "sort": "かそうしきん"
      },
      "expansion": "calque of New Latin mūsculus gemellus īnferior",
      "name": "cal"
    }
  ],
  "etymology_text": "下 (“lower”) + 双子筋 (“gemellus muscle”), calque of New Latin mūsculus gemellus īnferior",
  "forms": [
    {
      "form": "下双子筋",
      "ruby": [
        [
          "下",
          "か"
        ],
        [
          "双",
          "そう"
        ],
        [
          "子",
          "し"
        ],
        [
          "筋",
          "きん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kasōshikin",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かそうしきん"
      },
      "expansion": "下(か)双(そう)子(し)筋(きん) • (kasōshikin)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "antonyms": [
        {
          "word": "上双子筋"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms prefixed with 下",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Buttocks",
          "orig": "ja:Buttocks",
          "parents": [
            "Body",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Muscles",
          "orig": "ja:Muscles",
          "parents": [
            "Body parts",
            "Body",
            "Anatomy",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Two",
          "orig": "ja:Two",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an inferior gemellus muscle"
      ],
      "id": "en-下双子筋-ja-noun-JmiIs01~",
      "wikipedia": [
        "ja:下双子筋"
      ]
    }
  ],
  "word": "下双子筋"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "下",
        "3": "双子筋",
        "sort": "かそうしきん",
        "t1": "lower",
        "t2": "gemellus muscle"
      },
      "expansion": "下 (“lower”) + 双子筋 (“gemellus muscle”)",
      "name": "pre"
    },
    {
      "args": {
        "1": "ja",
        "2": "NL.",
        "3": "mūsculus gemellus īnferior",
        "nocap": "y",
        "sort": "かそうしきん"
      },
      "expansion": "calque of New Latin mūsculus gemellus īnferior",
      "name": "cal"
    }
  ],
  "etymology_text": "下 (“lower”) + 双子筋 (“gemellus muscle”), calque of New Latin mūsculus gemellus īnferior",
  "forms": [
    {
      "form": "下双子筋",
      "ruby": [
        [
          "下",
          "か"
        ],
        [
          "双",
          "そう"
        ],
        [
          "子",
          "し"
        ],
        [
          "筋",
          "きん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kasōshikin",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かそうしきん"
      },
      "expansion": "下(か)双(そう)子(し)筋(きん) • (kasōshikin)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "antonyms": [
        {
          "word": "上双子筋"
        }
      ],
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms calqued from New Latin",
        "Japanese terms derived from New Latin",
        "Japanese terms prefixed with 下",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters",
        "ja:Buttocks",
        "ja:Muscles",
        "ja:Two"
      ],
      "glosses": [
        "an inferior gemellus muscle"
      ],
      "wikipedia": [
        "ja:下双子筋"
      ]
    }
  ],
  "word": "下双子筋"
}