"pin lichen" meaning in English

{
  "forms": [
    {
      "form": "pin lichens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pin lichen (plural pin lichens)",
      "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"
        },
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Lichens",
          "orig": "en:Lichens",
          "parents": [
            "Algae",
            "Fungi",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A crustose lichen with small upward-pointing fruiting bodies supposed to resemble dressmakers' pins. They include members of the genera Calicium and Chaenotheca."
      ],
      "id": "en-pin_lichen-en-noun-u~xJRZfI",
      "links": [
        [
          "crustose",
          "crustose"
        ],
        [
          "lichen",
          "lichen"
        ],
        [
          "fruiting bodies",
          "fruiting body"
        ],
        [
          "genera",
          "genus"
        ],
        [
          "Calicium",
          "Calicium"
        ],
        [
          "Chaenotheca",
          "Chaenotheca"
        ]
      ],
      "wikipedia": [
        "pin lichen"
      ]
    }
  ],
  "word": "pin lichen"
}

{
  "forms": [
    {
      "form": "pin lichens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pin lichen (plural pin lichens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Lichens"
      ],
      "glosses": [
        "A crustose lichen with small upward-pointing fruiting bodies supposed to resemble dressmakers' pins. They include members of the genera Calicium and Chaenotheca."
      ],
      "links": [
        [
          "crustose",
          "crustose"
        ],
        [
          "lichen",
          "lichen"
        ],
        [
          "fruiting bodies",
          "fruiting body"
        ],
        [
          "genera",
          "genus"
        ],
        [
          "Calicium",
          "Calicium"
        ],
        [
          "Chaenotheca",
          "Chaenotheca"
        ]
      ],
      "wikipedia": [
        "pin lichen"
      ]
    }
  ],
  "word": "pin lichen"
}