"als" meaning in Catalan

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes d’articles définis en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Catalan",
      "orig": "catalan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Contraction de a els (le e de els étant atone, il est logiquement absorbé par la préposition qui le précède)."
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "article",
  "pos_title": "Forme d’article défini",
  "senses": [
    {
      "form_of": [
        {
          "word": "Au"
        }
      ],
      "glosses": [
        "Au, contraction de a et els."
      ],
      "id": "fr-als-ca-article-GkVRk6bv"
    }
  ],
  "sounds": [
    {
      "ipa": "[als]"
    },
    {
      "ipa": "[als]"
    },
    {
      "ipa": "[əls]"
    },
    {
      "ipa": "[əlz]"
    },
    {
      "ipa": "[als]"
    },
    {
      "ipa": "[alz]"
    }
  ],
  "tags": [
    "definite",
    "form-of"
  ],
  "word": "als"
}

{
  "categories": [
    "Formes d’articles définis en catalan",
    "catalan"
  ],
  "etymology_texts": [
    "Contraction de a els (le e de els étant atone, il est logiquement absorbé par la préposition qui le précède)."
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "article",
  "pos_title": "Forme d’article défini",
  "senses": [
    {
      "form_of": [
        {
          "word": "Au"
        }
      ],
      "glosses": [
        "Au, contraction de a et els."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[als]"
    },
    {
      "ipa": "[als]"
    },
    {
      "ipa": "[əls]"
    },
    {
      "ipa": "[əlz]"
    },
    {
      "ipa": "[als]"
    },
    {
      "ipa": "[alz]"
    }
  ],
  "tags": [
    "definite",
    "form-of"
  ],
  "word": "als"
}