"castañuela" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "castaña",
        "3": "uela"
      },
      "expansion": "castaña + -uela",
      "name": "suffix"
    }
  ],
  "etymology_text": "From castaña + -uela.",
  "forms": [
    {
      "form": "castañuelas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "castañuela f (plural castañuelas)",
      "name": "es-noun"
    }
  ],
  "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": "other",
          "name": "Spanish terms suffixed with -uela",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Musical instruments",
          "orig": "es:Musical instruments",
          "parents": [
            "Music",
            "Tools",
            "Art",
            "Sound",
            "Technology",
            "Culture",
            "Energy",
            "All topics",
            "Society",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "más contento que unas castañuelas"
        }
      ],
      "glosses": [
        "castanet"
      ],
      "id": "en-castañuela-es-noun-LQR7UUxp",
      "links": [
        [
          "castanet",
          "castanet"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "castañuela"
}

{
  "derived": [
    {
      "word": "más contento que unas castañuelas"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "castaña",
        "3": "uela"
      },
      "expansion": "castaña + -uela",
      "name": "suffix"
    }
  ],
  "etymology_text": "From castaña + -uela.",
  "forms": [
    {
      "form": "castañuelas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "castañuela f (plural castañuelas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish nouns",
        "Spanish terms suffixed with -uela",
        "es:Musical instruments"
      ],
      "glosses": [
        "castanet"
      ],
      "links": [
        [
          "castanet",
          "castanet"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "castañuela"
}