"au" meaning in Occitan

{
  "categories": [
    {
      "kind": "other",
      "name": "Articles définis en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Contractions en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan en graphie normalisée",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan",
      "orig": "occitan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Forme enclitique de a et lo."
  ],
  "forms": [
    {
      "form": "aus",
      "ipas": [
        "\\'aws\\"
      ],
      "tags": [
        "plural"
      ]
    },
    {
      "form": "ai",
      "ipas": [
        "\\'aj\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "notes": [
    "Contraction de a lo.",
    "Au féminin, au redevient a la ou a l’.",
    "Au pluriel, a lei devient ai; a leis devient ais."
  ],
  "pos": "article",
  "pos_title": "Article défini",
  "raw_tags": [
    "graphie normalisée"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Haut limousin",
          "orig": "haut limousin",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Occitan gascon",
          "orig": "occitan gascon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Occitan provençal",
          "orig": "occitan provençal",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Au (article défini contracté)."
      ],
      "id": "fr-au-oc-article-sprN8qsG",
      "raw_tags": [
        "Provençal",
        "Gascon",
        "Haut limousin"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\aw\\"
    }
  ],
  "tags": [
    "definite",
    "masculine",
    "singular"
  ],
  "word": "au"
}

{
  "categories": [
    "Articles définis en occitan",
    "Contractions en occitan",
    "Occitan en graphie normalisée",
    "occitan"
  ],
  "etymology_texts": [
    "Forme enclitique de a et lo."
  ],
  "forms": [
    {
      "form": "aus",
      "ipas": [
        "\\'aws\\"
      ],
      "tags": [
        "plural"
      ]
    },
    {
      "form": "ai",
      "ipas": [
        "\\'aj\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "notes": [
    "Contraction de a lo.",
    "Au féminin, au redevient a la ou a l’.",
    "Au pluriel, a lei devient ai; a leis devient ais."
  ],
  "pos": "article",
  "pos_title": "Article défini",
  "raw_tags": [
    "graphie normalisée"
  ],
  "senses": [
    {
      "categories": [
        "haut limousin",
        "occitan gascon",
        "occitan provençal"
      ],
      "glosses": [
        "Au (article défini contracté)."
      ],
      "raw_tags": [
        "Provençal",
        "Gascon",
        "Haut limousin"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\aw\\"
    }
  ],
  "tags": [
    "definite",
    "masculine",
    "singular"
  ],
  "word": "au"
}