"caxa" meaning in Spanish

{
  "forms": [
    {
      "form": "caxas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "caxa f (plural caxas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "caja"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "obsolete form of caja"
      ],
      "id": "en-caxa-es-noun-zqB1YKD8",
      "links": [
        [
          "caja",
          "caja#Spanish"
        ]
      ],
      "tags": [
        "alt-of",
        "feminine",
        "obsolete"
      ]
    }
  ],
  "word": "caxa"
}

{
  "forms": [
    {
      "form": "caxas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "caxa f (plural caxas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "caja"
        }
      ],
      "categories": [
        "Pages with 5 entries",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "Spanish obsolete forms"
      ],
      "glosses": [
        "obsolete form of caja"
      ],
      "links": [
        [
          "caja",
          "caja#Spanish"
        ]
      ],
      "tags": [
        "alt-of",
        "feminine",
        "obsolete"
      ]
    }
  ],
  "word": "caxa"
}