"子午線" meaning in 日語

{
  "antonyms": [
    {
      "roman": "bōyūsen",
      "ruby": [
        [
          "卯酉線",
          "ぼうゆうせん"
        ]
      ],
      "sense": "緯線、緯度",
      "word": "卯酉線"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "日語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語複合詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有3個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有一年級漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有三個漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有二年級漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有國際音標的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "來自子 (shi，“子時（地支的鼠）”，象徵正北) + 午 (go，“午時（地支的牛）”，象徵正南) + 線 (sen)。",
  "forms": [
    {
      "form": "子午線",
      "ruby": [
        [
          "子",
          "し"
        ],
        [
          "午",
          "ご"
        ],
        [
          "線",
          "せん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shigosen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日語 地理學",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "經線"
      ],
      "id": "zh-子午線-ja-noun-HSuSqSg7",
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "other": "しごせん",
      "raw_tags": [
        "東京"
      ],
      "roman": "[shìgóꜜsèǹ]"
    },
    {
      "other": "しごせん",
      "raw_tags": [
        "東京"
      ],
      "roman": "[shìgóséń]"
    },
    {
      "ipa": "[ɕiɡo̞sẽ̞ɴ]"
    }
  ],
  "word": "子午線"
}

{
  "antonyms": [
    {
      "roman": "bōyūsen",
      "ruby": [
        [
          "卯酉線",
          "ぼうゆうせん"
        ]
      ],
      "sense": "緯線、緯度",
      "word": "卯酉線"
    }
  ],
  "categories": [
    "日語名詞",
    "日語複合詞",
    "日語詞元",
    "有3個詞條的頁面",
    "有一年級漢字的日語詞",
    "有三個漢字的日語詞",
    "有二年級漢字的日語詞",
    "有國際音標的日語詞",
    "有詞條的頁面"
  ],
  "etymology_text": "來自子 (shi，“子時（地支的鼠）”，象徵正北) + 午 (go，“午時（地支的牛）”，象徵正南) + 線 (sen)。",
  "forms": [
    {
      "form": "子午線",
      "ruby": [
        [
          "子",
          "し"
        ],
        [
          "午",
          "ご"
        ],
        [
          "線",
          "せん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shigosen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日語 地理學"
      ],
      "glosses": [
        "經線"
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "other": "しごせん",
      "raw_tags": [
        "東京"
      ],
      "roman": "[shìgóꜜsèǹ]"
    },
    {
      "other": "しごせん",
      "raw_tags": [
        "東京"
      ],
      "roman": "[shìgóséń]"
    },
    {
      "ipa": "[ɕiɡo̞sẽ̞ɴ]"
    }
  ],
  "word": "子午線"
}