"mosquer fosc" meaning in Catalan

{
  "forms": [
    {
      "form": "mosquers foscs",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "mosquers foscos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "++"
      },
      "expansion": "mosquer fosc m (plural mosquers foscs or mosquers foscos)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Catalan nouns with multiple plurals",
          "parents": [
            "Nouns with multiple plurals",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "ca",
          "name": "Tyrant flycatchers",
          "orig": "ca:Tyrant flycatchers",
          "parents": [
            "Suboscines",
            "Perching birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "dusky flycatcher (Empidonax oberholseri)"
      ],
      "id": "en-mosquer_fosc-ca-noun-wEsP3yAX",
      "synonyms": [
        {
          "word": "papamosques americà fosc"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "mosquer fosc"
}

{
  "forms": [
    {
      "form": "mosquers foscs",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "mosquers foscos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "++"
      },
      "expansion": "mosquer fosc m (plural mosquers foscs or mosquers foscos)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine nouns",
        "Catalan multiword terms",
        "Catalan nouns",
        "Catalan nouns with multiple plurals",
        "Catalan nouns with red links in their headword lines",
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "ca:Tyrant flycatchers"
      ],
      "glosses": [
        "dusky flycatcher (Empidonax oberholseri)"
      ],
      "synonyms": [
        {
          "word": "papamosques americà fosc"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "mosquer fosc"
}