"escúa" meaning in Spanish

{
  "forms": [
    {
      "form": "escúas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "escúa f (plural escúas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "es‧cú‧a"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "es",
          "name": "Birds",
          "orig": "es:Birds",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "escúa ártica"
        }
      ],
      "glosses": [
        "skua"
      ],
      "id": "en-escúa-es-noun-bdeUNi0k",
      "links": [
        [
          "skua",
          "skua"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/esˈkua/"
    },
    {
      "ipa": "[esˈku.a]"
    },
    {
      "rhymes": "-ua"
    }
  ],
  "word": "escúa"
}

{
  "derived": [
    {
      "word": "escúa ártica"
    }
  ],
  "forms": [
    {
      "form": "escúas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "escúa f (plural escúas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "es‧cú‧a"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Rhymes:Spanish/ua",
        "Rhymes:Spanish/ua/3 syllables",
        "Spanish 3-syllable words",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish nouns",
        "Spanish terms with IPA pronunciation",
        "es:Birds"
      ],
      "glosses": [
        "skua"
      ],
      "links": [
        [
          "skua",
          "skua"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/esˈkua/"
    },
    {
      "ipa": "[esˈku.a]"
    },
    {
      "rhymes": "-ua"
    }
  ],
  "word": "escúa"
}