"crustose" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "crustōsus",
        "4": "",
        "5": "with a hard crust"
      },
      "expansion": "Latin crustōsus (“with a hard crust”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin crustōsus (“with a hard crust”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "crustose (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Lichenology",
          "orig": "en:Lichenology",
          "parents": [
            "Mycology",
            "Phycology",
            "Biology",
            "Botany",
            "Microbiology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "sense": "of a lichen",
          "word": "foliose"
        },
        {
          "sense": "of a lichen",
          "word": "fruticose"
        },
        {
          "sense": "of a lichen",
          "word": "squamose"
        }
      ],
      "derived": [
        {
          "word": "noncrustose"
        },
        {
          "word": "subcrustose"
        }
      ],
      "examples": [
        {
          "ref": "2020, Merlin Sheldrake, Entangled Life, page 84:",
          "text": "Fruticose lichens drape and tuft; crustose and squamulose lichens creep and seep; foliose lichens layer and flake.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of a lichen, growing tightly appressed to the substrate."
      ],
      "id": "en-crustose-en-adj-rDXCiPBi",
      "links": [
        [
          "lichenology",
          "lichenology"
        ],
        [
          "lichen",
          "lichen"
        ],
        [
          "appressed",
          "appressed"
        ],
        [
          "substrate",
          "substrate"
        ]
      ],
      "raw_glosses": [
        "(lichenology) Of a lichen, growing tightly appressed to the substrate."
      ],
      "related": [
        {
          "word": "crust"
        },
        {
          "word": "crusty"
        },
        {
          "word": "sessile"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "biology",
        "botany",
        "lichenology",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɹʊs.təʊs/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈkɹʊs.toʊs/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "crustose"
}

{
  "coordinate_terms": [
    {
      "sense": "of a lichen",
      "word": "foliose"
    },
    {
      "sense": "of a lichen",
      "word": "fruticose"
    },
    {
      "sense": "of a lichen",
      "word": "squamose"
    }
  ],
  "derived": [
    {
      "word": "noncrustose"
    },
    {
      "word": "subcrustose"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "crustōsus",
        "4": "",
        "5": "with a hard crust"
      },
      "expansion": "Latin crustōsus (“with a hard crust”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin crustōsus (“with a hard crust”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "crustose (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "crust"
    },
    {
      "word": "crusty"
    },
    {
      "word": "sessile"
    }
  ],
  "senses": [
    {
      "categories": [
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        "English entries with incorrect language header",
        "English lemmas",
        "English terms borrowed from Latin",
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        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Lichenology"
      ],
      "examples": [
        {
          "ref": "2020, Merlin Sheldrake, Entangled Life, page 84:",
          "text": "Fruticose lichens drape and tuft; crustose and squamulose lichens creep and seep; foliose lichens layer and flake.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of a lichen, growing tightly appressed to the substrate."
      ],
      "links": [
        [
          "lichenology",
          "lichenology"
        ],
        [
          "lichen",
          "lichen"
        ],
        [
          "appressed",
          "appressed"
        ],
        [
          "substrate",
          "substrate"
        ]
      ],
      "raw_glosses": [
        "(lichenology) Of a lichen, growing tightly appressed to the substrate."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "biology",
        "botany",
        "lichenology",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɹʊs.təʊs/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈkɹʊs.toʊs/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "crustose"
}