"鳥糞石" meaning in Japanese

{
  "forms": [
    {
      "form": "鳥糞石",
      "ruby": [
        [
          "鳥",
          "ちょう"
        ],
        [
          "糞",
          "ふん"
        ],
        [
          "石",
          "せき"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "chōfunseki",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ちょうふんせき"
      },
      "expansion": "鳥(ちょう)糞(ふん)石(せき) • (chōfunseki)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "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"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Feces",
          "orig": "ja:Feces",
          "parents": [
            "Body",
            "Toilet (room)",
            "Human",
            "Hygiene",
            "Rooms",
            "All topics",
            "Health",
            "Buildings and structures",
            "Fundamental",
            "Architecture",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "guano"
      ],
      "id": "en-鳥糞石-ja-noun-9eqDKP4k",
      "links": [
        [
          "guano",
          "guano"
        ]
      ],
      "synonyms": [
        {
          "roman": "kaichōfun",
          "word": "海鳥糞"
        },
        {
          "roman": "guano",
          "word": "グアノ"
        }
      ]
    }
  ],
  "word": "鳥糞石"
}

{
  "forms": [
    {
      "form": "鳥糞石",
      "ruby": [
        [
          "鳥",
          "ちょう"
        ],
        [
          "糞",
          "ふん"
        ],
        [
          "石",
          "せき"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "chōfunseki",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ちょうふんせき"
      },
      "expansion": "鳥(ちょう)糞(ふん)石(せき) • (chōfunseki)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with hyōgaiji kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters",
        "Pages with raw sortkeys",
        "ja:Feces"
      ],
      "glosses": [
        "guano"
      ],
      "links": [
        [
          "guano",
          "guano"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "kaichōfun",
      "word": "海鳥糞"
    },
    {
      "roman": "guano",
      "word": "グアノ"
    }
  ],
  "word": "鳥糞石"
}