"子午線" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 地理",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "十二支で子が北、午が南を指すことから、南北を結ぶ線の意味。"
  ],
  "forms": [
    {
      "form": "しごせん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "北極点と南極点を地球の表面上でまっすぐ結ぶ線。"
      ],
      "id": "ja-子午線-ja-noun-Aj9WiiCj"
    }
  ],
  "word": "子午線"
}

{
  "categories": [
    "日本語",
    "日本語 名詞",
    "日本語 地理"
  ],
  "etymology_texts": [
    "十二支で子が北、午が南を指すことから、南北を結ぶ線の意味。"
  ],
  "forms": [
    {
      "form": "しごせん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "北極点と南極点を地球の表面上でまっすぐ結ぶ線。"
      ]
    }
  ],
  "word": "子午線"
}