"crabstone" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crab",
        "3": "stone"
      },
      "expansion": "crab + stone",
      "name": "compound"
    }
  ],
  "etymology_text": "From crab + stone.",
  "forms": [
    {
      "form": "crabstones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "crabstone (plural crabstones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1999, Mike Mitchell, translating HJC von Grimmelshausen, Simplicissimus, IV.8, Dedalus 2016, p. 303",
          "text": "[F]rom cadmium, gravel, crab-stones [translating Krebsaugen], emery and talc I prepared a powder for whitening teeth, and from lye, copper, sal ammoniac and camphor a blue tincture for scurvy, stomatitis, toothache and sore eyes."
        }
      ],
      "glosses": [
        "A calcareous concretion found in the stomach of crabs and other crustaceans."
      ],
      "id": "en-crabstone-en-noun-eIivLiHT",
      "links": [
        [
          "calcareous",
          "calcareous"
        ],
        [
          "concretion",
          "concretion"
        ],
        [
          "crab",
          "crab"
        ],
        [
          "crustacean",
          "crustacean"
        ]
      ]
    }
  ],
  "word": "crabstone"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crab",
        "3": "stone"
      },
      "expansion": "crab + stone",
      "name": "compound"
    }
  ],
  "etymology_text": "From crab + stone.",
  "forms": [
    {
      "form": "crabstones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "crabstone (plural crabstones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns"
      ],
      "examples": [
        {
          "ref": "1999, Mike Mitchell, translating HJC von Grimmelshausen, Simplicissimus, IV.8, Dedalus 2016, p. 303",
          "text": "[F]rom cadmium, gravel, crab-stones [translating Krebsaugen], emery and talc I prepared a powder for whitening teeth, and from lye, copper, sal ammoniac and camphor a blue tincture for scurvy, stomatitis, toothache and sore eyes."
        }
      ],
      "glosses": [
        "A calcareous concretion found in the stomach of crabs and other crustaceans."
      ],
      "links": [
        [
          "calcareous",
          "calcareous"
        ],
        [
          "concretion",
          "concretion"
        ],
        [
          "crab",
          "crab"
        ],
        [
          "crustacean",
          "crustacean"
        ]
      ]
    }
  ],
  "word": "crabstone"
}