"lecteur MP4" meaning in All languages combined

{
  "forms": [
    {
      "form": "lecteurs MP4",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first"
      },
      "expansion": "lecteur MP4 m (plural lecteurs MP4)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "MP4 player"
      ],
      "id": "en-lecteur_MP4-fr-noun-LDlkqN4R",
      "links": [
        [
          "MP4 player",
          "MP4 player"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "lecteur MP4"
}

{
  "forms": [
    {
      "form": "lecteurs MP4",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first"
      },
      "expansion": "lecteur MP4 m (plural lecteurs MP4)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French terms spelled with numbers",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "MP4 player"
      ],
      "links": [
        [
          "MP4 player",
          "MP4 player"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "lecteur MP4"
}