"hair moss" meaning in English

{
  "forms": [
    {
      "form": "hair mosses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hair moss (plural hair mosses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Blue-green algae",
          "orig": "en:Blue-green algae",
          "parents": [
            "Algae",
            "Bacteria",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        },
        {
          "_dis": "72 28",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Fat choy, a type of alga."
      ],
      "id": "en-hair_moss-en-noun-KFCTx1-7",
      "links": [
        [
          "Fat choy",
          "fat choy"
        ],
        [
          "alga",
          "alga"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Mosses",
          "orig": "en:Mosses",
          "parents": [
            "Bryology",
            "Spore plants",
            "Biology",
            "Botany",
            "Plants",
            "Sciences",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any moss of genus Polytrichum."
      ],
      "id": "en-hair_moss-en-noun-Sx-fwCxb",
      "links": [
        [
          "Polytrichum",
          "Polytrichum#Translingual"
        ]
      ],
      "translations": [
        {
          "_dis1": "14 86",
          "code": "nl",
          "lang": "Dutch",
          "sense": "Polytrichum moss",
          "tags": [
            "neuter"
          ],
          "word": "haarmos"
        },
        {
          "_dis1": "14 86",
          "code": "izh",
          "lang": "Ingrian",
          "sense": "Polytrichum moss",
          "word": "syrjysammal"
        }
      ]
    }
  ],
  "word": "hair moss"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "hair mosses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hair moss (plural hair mosses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Blue-green algae"
      ],
      "glosses": [
        "Fat choy, a type of alga."
      ],
      "links": [
        [
          "Fat choy",
          "fat choy"
        ],
        [
          "alga",
          "alga"
        ]
      ]
    },
    {
      "categories": [
        "en:Mosses"
      ],
      "glosses": [
        "Any moss of genus Polytrichum."
      ],
      "links": [
        [
          "Polytrichum",
          "Polytrichum#Translingual"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "Polytrichum moss",
      "tags": [
        "neuter"
      ],
      "word": "haarmos"
    },
    {
      "code": "izh",
      "lang": "Ingrian",
      "sense": "Polytrichum moss",
      "word": "syrjysammal"
    }
  ],
  "word": "hair moss"
}