"avant-derniers" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "adjective form"
      },
      "expansion": "avant-derniers",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "avant-dernier"
        }
      ],
      "glosses": [
        "masculine plural of avant-dernier"
      ],
      "id": "en-avant-derniers-fr-adj-TUNQC2it",
      "links": [
        [
          "avant-dernier",
          "avant-dernier#French"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "plural"
      ]
    }
  ],
  "word": "avant-derniers"
}

{
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "adjective form"
      },
      "expansion": "avant-derniers",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "French adjective forms",
        "French entries with incorrect language header",
        "French non-lemma forms"
      ],
      "form_of": [
        {
          "word": "avant-dernier"
        }
      ],
      "glosses": [
        "masculine plural of avant-dernier"
      ],
      "links": [
        [
          "avant-dernier",
          "avant-dernier#French"
        ]
      ],
      "tags": [
        "form-of",
        "masculine",
        "plural"
      ]
    }
  ],
  "word": "avant-derniers"
}