"向こう脛" meaning in Japanese

{
  "forms": [
    {
      "form": "向こう脛",
      "ruby": [
        [
          "向",
          "む"
        ],
        [
          "脛",
          "ずね"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "mukōzune",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "むこうずね"
      },
      "expansion": "向(む)こう脛(ずね) • (mukōzune)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "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 with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "shin"
      ],
      "id": "en-向こう脛-ja-noun-ePRj6o4p",
      "links": [
        [
          "shin",
          "shin"
        ]
      ]
    }
  ],
  "word": "向こう脛"
}

{
  "forms": [
    {
      "form": "向こう脛",
      "ruby": [
        [
          "向",
          "む"
        ],
        [
          "脛",
          "ずね"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "mukōzune",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "むこうずね"
      },
      "expansion": "向(む)こう脛(ずね) • (mukōzune)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with hyōgaiji kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters"
      ],
      "glosses": [
        "shin"
      ],
      "links": [
        [
          "shin",
          "shin"
        ]
      ]
    }
  ],
  "word": "向こう脛"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "向こう脛"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "向こう脛",
  "trace": ""
}