"専門" meaning in Japanese

{
  "forms": [
    {
      "form": "専門",
      "ruby": [
        [
          "専",
          "せん"
        ],
        [
          "門",
          "もん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "senmon",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "せんもん"
      },
      "expansion": "専(せん)門(もん) • (senmon)",
      "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"
        }
      ],
      "examples": [
        {
          "english": "What is your area of specialty?",
          "roman": "Go senmon wa?",
          "ruby": [
            [
              "専門",
              "せんもん"
            ]
          ],
          "text": "ご専門は？"
        }
      ],
      "glosses": [
        "speciality/specialty; subject of study; subject of expertise; area of interest; profession"
      ],
      "id": "en-専門-ja-noun-f6xWcne7",
      "links": [
        [
          "speciality",
          "speciality"
        ],
        [
          "specialty",
          "specialty"
        ]
      ],
      "related": [
        {
          "english": "expert, special",
          "roman": "senmonteki",
          "ruby": [
            [
              "専門的",
              "せんもんてき"
            ]
          ],
          "word": "専門的"
        }
      ],
      "synonyms": [
        {
          "roman": "senkō",
          "ruby": [
            [
              "専攻",
              "せんこう"
            ]
          ],
          "sense": "area of study",
          "word": "専攻"
        },
        {
          "roman": "ryōiki",
          "sense": "area of interest",
          "word": "領域"
        },
        {
          "roman": "han'i",
          "sense": "area of interest",
          "word": "範囲"
        }
      ]
    }
  ],
  "sounds": [
    {
      "other": "せんもん"
    },
    {
      "ipa": "[sẽ̞mːõ̞ɴ]"
    }
  ],
  "word": "専門"
}

{
  "forms": [
    {
      "form": "専門",
      "ruby": [
        [
          "専",
          "せん"
        ],
        [
          "門",
          "もん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "senmon",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "せんもん"
      },
      "expansion": "専(せん)門(もん) • (senmon)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "english": "expert, special",
      "roman": "senmonteki",
      "ruby": [
        [
          "専門的",
          "せんもんてき"
        ]
      ],
      "word": "専門的"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
        "Japanese terms written with two Han script characters"
      ],
      "examples": [
        {
          "english": "What is your area of specialty?",
          "roman": "Go senmon wa?",
          "ruby": [
            [
              "専門",
              "せんもん"
            ]
          ],
          "text": "ご専門は？"
        }
      ],
      "glosses": [
        "speciality/specialty; subject of study; subject of expertise; area of interest; profession"
      ],
      "links": [
        [
          "speciality",
          "speciality"
        ],
        [
          "specialty",
          "specialty"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "せんもん"
    },
    {
      "ipa": "[sẽ̞mːõ̞ɴ]"
    }
  ],
  "synonyms": [
    {
      "roman": "senkō",
      "ruby": [
        [
          "専攻",
          "せんこう"
        ]
      ],
      "sense": "area of study",
      "word": "専攻"
    },
    {
      "roman": "ryōiki",
      "sense": "area of interest",
      "word": "領域"
    },
    {
      "roman": "han'i",
      "sense": "area of interest",
      "word": "範囲"
    }
  ],
  "word": "専門"
}

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