"ロンドン地下鉄" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "ロンドン",
        "3": "地下鉄",
        "t1": "London",
        "t2": "underground"
      },
      "expansion": "ロンドン (“London”) + 地下鉄 (“underground”)",
      "name": "compound"
    },
    {
      "args": {
        "1": "ja",
        "2": "en",
        "3": "London Underground",
        "nocap": "y"
      },
      "expansion": "calque of English London Underground",
      "name": "calque"
    }
  ],
  "etymology_text": "ロンドン (“London”) + 地下鉄 (“underground”), calque of English London Underground",
  "forms": [
    {
      "form": "ロンドン地下鉄",
      "ruby": [
        [
          "地",
          "ち"
        ],
        [
          "下",
          "か"
        ],
        [
          "鉄",
          "てつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Rondon Chikatetsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "ロンドン ちかてつ"
      },
      "expansion": "ロンドン地(ち)下(か)鉄(てつ) • (Rondon Chikatetsu)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "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": [
        "the London Underground"
      ],
      "id": "en-ロンドン地下鉄-ja-name-TtyyujdD",
      "links": [
        [
          "London Underground",
          "London Underground"
        ]
      ],
      "wikipedia": [
        "ja:ロンドン地下鉄"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾõ̞ndõ̞ɲ̟ t͡ɕika̠te̞t͡sɨᵝ]"
    }
  ],
  "word": "ロンドン地下鉄"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "ロンドン",
        "3": "地下鉄",
        "t1": "London",
        "t2": "underground"
      },
      "expansion": "ロンドン (“London”) + 地下鉄 (“underground”)",
      "name": "compound"
    },
    {
      "args": {
        "1": "ja",
        "2": "en",
        "3": "London Underground",
        "nocap": "y"
      },
      "expansion": "calque of English London Underground",
      "name": "calque"
    }
  ],
  "etymology_text": "ロンドン (“London”) + 地下鉄 (“underground”), calque of English London Underground",
  "forms": [
    {
      "form": "ロンドン地下鉄",
      "ruby": [
        [
          "地",
          "ち"
        ],
        [
          "下",
          "か"
        ],
        [
          "鉄",
          "てつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Rondon Chikatetsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "ロンドン ちかてつ"
      },
      "expansion": "ロンドン地(ち)下(か)鉄(てつ) • (Rondon Chikatetsu)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms calqued from English",
        "Japanese terms derived from English",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters"
      ],
      "glosses": [
        "the London Underground"
      ],
      "links": [
        [
          "London Underground",
          "London Underground"
        ]
      ],
      "wikipedia": [
        "ja:ロンドン地下鉄"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾõ̞ndõ̞ɲ̟ t͡ɕika̠te̞t͡sɨᵝ]"
    }
  ],
  "word": "ロンドン地下鉄"
}