"sit bone" meaning in English

{
  "forms": [
    {
      "form": "sit bones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sit bone (plural sit bones)",
      "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"
        },
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          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, Dawn Foster, The Guardian, Bike Blog, 3 Apr 2012",
          "text": "Women's pelvises are wider, so wider saddles will support your sit bones more adequately."
        }
      ],
      "glosses": [
        "Either of the two ischial tuberosities."
      ],
      "id": "en-sit_bone-en-noun-MGueK8KK",
      "links": [
        [
          "ischial tuberosities",
          "ischial tuberosity"
        ]
      ],
      "synonyms": [
        {
          "word": "sits bone"
        },
        {
          "word": "sitz bone"
        }
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "ischial tuberosity",
          "tags": [
            "masculine"
          ],
          "word": "Sitzknochen"
        }
      ]
    }
  ],
  "word": "sit bone"
}

{
  "forms": [
    {
      "form": "sit bones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sit bone (plural sit bones)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with German translations"
      ],
      "examples": [
        {
          "ref": "2012, Dawn Foster, The Guardian, Bike Blog, 3 Apr 2012",
          "text": "Women's pelvises are wider, so wider saddles will support your sit bones more adequately."
        }
      ],
      "glosses": [
        "Either of the two ischial tuberosities."
      ],
      "links": [
        [
          "ischial tuberosities",
          "ischial tuberosity"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "sits bone"
    },
    {
      "word": "sitz bone"
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "ischial tuberosity",
      "tags": [
        "masculine"
      ],
      "word": "Sitzknochen"
    }
  ],
  "word": "sit bone"
}