"escúa ártica" meaning in Spanish

{
  "forms": [
    {
      "form": "escúas árticas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "escúa ártica f (plural escúas árticas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "es",
          "name": "Seabirds",
          "orig": "es:Seabirds",
          "parents": [
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Arctic skua (seabird)"
      ],
      "id": "en-escúa_ártica-es-noun-3-mmP55Q",
      "links": [
        [
          "Arctic skua",
          "Arctic skua"
        ]
      ],
      "synonyms": [
        {
          "word": "págalo ártico"
        },
        {
          "word": "págalo parásito"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "escúa ártica"
}

{
  "forms": [
    {
      "form": "escúas árticas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "escúa ártica f (plural escúas árticas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish terms with non-redundant non-automated sortkeys",
        "es:Seabirds"
      ],
      "glosses": [
        "Arctic skua (seabird)"
      ],
      "links": [
        [
          "Arctic skua",
          "Arctic skua"
        ]
      ],
      "synonyms": [
        {
          "word": "págalo ártico"
        },
        {
          "word": "págalo parásito"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "escúa ártica"
}