"à +" meaning in French

{
  "lang": "French",
  "lang_code": "fr",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "à plus"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of à plus"
      ],
      "id": "en-à_+-fr-intj-Sh-RtfTl",
      "links": [
        [
          "à plus",
          "à plus#French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a plys/"
    }
  ],
  "word": "à +"
}

{
  "lang": "French",
  "lang_code": "fr",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "à plus"
        }
      ],
      "categories": [
        "French entries with incorrect language header",
        "French interjections",
        "French lemmas",
        "French multiword terms",
        "French terms spelled with +",
        "French terms with IPA pronunciation"
      ],
      "glosses": [
        "Alternative form of à plus"
      ],
      "links": [
        [
          "à plus",
          "à plus#French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a plys/"
    }
  ],
  "word": "à +"
}