"白亜" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "同音書きかえ",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "proverbs": [
    {
      "word": "白亜紀"
    }
  ],
  "senses": [
    {
      "glosses": [
        "泥状で固結していない石灰岩。白墨や壁の材料となる。チョーク。"
      ],
      "id": "ja-白亜-ja-noun-isIIwK59"
    },
    {
      "glosses": [
        "白亜などを塗った白い壁。"
      ],
      "id": "ja-白亜-ja-noun-LFsjveJx"
    }
  ],
  "translations": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "chalk"
    }
  ],
  "word": "白亜"
}

{
  "categories": [
    "同音書きかえ",
    "日本語",
    "日本語 名詞"
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "proverbs": [
    {
      "word": "白亜紀"
    }
  ],
  "senses": [
    {
      "glosses": [
        "泥状で固結していない石灰岩。白墨や壁の材料となる。チョーク。"
      ]
    },
    {
      "glosses": [
        "白亜などを塗った白い壁。"
      ]
    }
  ],
  "translations": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "chalk"
    }
  ],
  "word": "白亜"
}