"aux" meaning in French

{
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "contraction"
      },
      "expansion": "aux",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "+ les ('to the' or 'of the')",
          "word": "à"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French articles",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Contraction of à + les ('to the' or 'of the')"
      ],
      "id": "en-aux-fr-contraction-yQVd3zYO",
      "links": [
        [
          "à",
          "à#French"
        ],
        [
          "les",
          "les#French"
        ]
      ],
      "synonyms": [
        {
          "word": "au"
        },
        {
          "word": "à la"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/o/"
    },
    {
      "ipa": "/o.z‿/"
    },
    {
      "rhymes": "-o"
    },
    {
      "homophone": "au"
    },
    {
      "homophone": "aulx"
    },
    {
      "homophone": "eau"
    },
    {
      "homophone": "eaux"
    },
    {
      "homophone": "haut"
    },
    {
      "homophone": "hauts"
    },
    {
      "homophone": "ho"
    },
    {
      "homophone": "o"
    },
    {
      "homophone": "ô"
    },
    {
      "homophone": "oh"
    },
    {
      "homophone": "os (plural only - \"os\" is not a homophone in the singular)"
    },
    {
      "audio": "Fr-aux.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1c/Fr-aux.ogg/Fr-aux.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1c/Fr-aux.ogg",
      "text": "audio"
    }
  ],
  "word": "aux"
}

{
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "contraction"
      },
      "expansion": "aux",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "+ les ('to the' or 'of the')",
          "word": "à"
        }
      ],
      "categories": [
        "French 1-syllable words",
        "French articles",
        "French contractions",
        "French entries with incorrect language header",
        "French entries with language name categories using raw markup",
        "French non-lemma forms",
        "French terms with IPA pronunciation",
        "French terms with audio links",
        "French terms with homophones",
        "Rhymes:French/o",
        "Rhymes:French/o/1 syllable"
      ],
      "glosses": [
        "Contraction of à + les ('to the' or 'of the')"
      ],
      "links": [
        [
          "à",
          "à#French"
        ],
        [
          "les",
          "les#French"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/o/"
    },
    {
      "ipa": "/o.z‿/"
    },
    {
      "rhymes": "-o"
    },
    {
      "homophone": "au"
    },
    {
      "homophone": "aulx"
    },
    {
      "homophone": "eau"
    },
    {
      "homophone": "eaux"
    },
    {
      "homophone": "haut"
    },
    {
      "homophone": "hauts"
    },
    {
      "homophone": "ho"
    },
    {
      "homophone": "o"
    },
    {
      "homophone": "ô"
    },
    {
      "homophone": "oh"
    },
    {
      "homophone": "os (plural only - \"os\" is not a homophone in the singular)"
    },
    {
      "audio": "Fr-aux.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1c/Fr-aux.ogg/Fr-aux.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1c/Fr-aux.ogg",
      "text": "audio"
    }
  ],
  "synonyms": [
    {
      "word": "au"
    },
    {
      "word": "à la"
    }
  ],
  "word": "aux"
}