"trona" meaning in Spanish

{
  "forms": [
    {
      "form": "tronas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "trona f (plural tronas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "tro‧na"
  ],
  "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"
        }
      ],
      "glosses": [
        "highchair"
      ],
      "id": "en-trona-es-noun-JHpXCw4z",
      "links": [
        [
          "highchair",
          "highchair"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtɾona/"
    },
    {
      "ipa": "[ˈt̪ɾo.na]"
    },
    {
      "rhymes": "-ona"
    }
  ],
  "word": "trona"
}

{
  "forms": [
    {
      "form": "tronas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "trona f (plural tronas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "tro‧na"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Rhymes:Spanish/ona",
        "Rhymes:Spanish/ona/2 syllables",
        "Spanish 2-syllable words",
        "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 terms with IPA pronunciation"
      ],
      "glosses": [
        "highchair"
      ],
      "links": [
        [
          "highchair",
          "highchair"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtɾona/"
    },
    {
      "ipa": "[ˈt̪ɾo.na]"
    },
    {
      "rhymes": "-ona"
    }
  ],
  "word": "trona"
}