"歯槽" meaning in Japanese

{
  "forms": [
    {
      "form": "歯槽",
      "ruby": [
        [
          "歯",
          "し"
        ],
        [
          "槽",
          "そう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shisō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "sisau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しさう",
      "roman": "sisau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しそう",
        "hhira": "しさう"
      },
      "expansion": "歯(し)槽(そう) • (shisō) ^(←しさう (sisau)?)",
      "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 alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "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 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "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": "ja",
          "name": "Dentistry",
          "orig": "ja:Dentistry",
          "parents": [
            "Medicine",
            "Teeth",
            "Biology",
            "Healthcare",
            "Mouth",
            "Sciences",
            "Health",
            "Face",
            "All topics",
            "Body",
            "Head and neck",
            "Fundamental",
            "Body parts",
            "Anatomy"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "shisō nōrō",
          "ruby": [
            [
              "歯槽膿漏",
              "しそうのうろう"
            ]
          ],
          "word": "歯槽膿漏"
        }
      ],
      "glosses": [
        "alveolus"
      ],
      "id": "en-歯槽-ja-noun--d3G8yGk",
      "links": [
        [
          "dentistry",
          "dentistry"
        ],
        [
          "alveolus",
          "alveolus"
        ]
      ],
      "raw_glosses": [
        "(dentistry) alveolus"
      ],
      "topics": [
        "dentistry",
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "しそー"
    },
    {
      "ipa": "[ɕiso̞ː]"
    }
  ],
  "word": "歯槽"
}

{
  "derived": [
    {
      "roman": "shisō nōrō",
      "ruby": [
        [
          "歯槽膿漏",
          "しそうのうろう"
        ]
      ],
      "word": "歯槽膿漏"
    }
  ],
  "forms": [
    {
      "form": "歯槽",
      "ruby": [
        [
          "歯",
          "し"
        ],
        [
          "槽",
          "そう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shisō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "sisau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しさう",
      "roman": "sisau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しそう",
        "hhira": "しさう"
      },
      "expansion": "歯(し)槽(そう) • (shisō) ^(←しさう (sisau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with multiple readings",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Dentistry"
      ],
      "glosses": [
        "alveolus"
      ],
      "links": [
        [
          "dentistry",
          "dentistry"
        ],
        [
          "alveolus",
          "alveolus"
        ]
      ],
      "raw_glosses": [
        "(dentistry) alveolus"
      ],
      "topics": [
        "dentistry",
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "しそー"
    },
    {
      "ipa": "[ɕiso̞ː]"
    }
  ],
  "word": "歯槽"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "歯槽"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "歯槽",
  "trace": "started on line 2, detected on line 2"
}

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