"aéro-train" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "aéro-",
        "3": "train"
      },
      "expansion": "aéro- + train",
      "name": "prefix"
    }
  ],
  "etymology_text": "From aéro- + train. Attested in 1890 in Michel Verne's novella La Journée d'un journaliste américain en 2889.",
  "forms": [
    {
      "form": "aéro-trains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "aéro-train m (plural aéro-trains)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "aérotrain"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms prefixed with aéro-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Science fiction",
          "orig": "fr:Science fiction",
          "parents": [
            "Fiction",
            "Speculative fiction",
            "Artistic works",
            "Genres",
            "Art",
            "Entertainment",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of aérotrain"
      ],
      "id": "en-aéro-train-fr-noun-lQbA2uUH",
      "links": [
        [
          "aérotrain",
          "aérotrain#French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "masculine"
      ],
      "wikipedia": [
        "In the Year 2889 (short story)",
        "Michel Verne"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a.e.ʁo.tʁɛ̃/"
    }
  ],
  "word": "aéro-train"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "aéro-",
        "3": "train"
      },
      "expansion": "aéro- + train",
      "name": "prefix"
    }
  ],
  "etymology_text": "From aéro- + train. Attested in 1890 in Michel Verne's novella La Journée d'un journaliste américain en 2889.",
  "forms": [
    {
      "form": "aéro-trains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "aéro-train m (plural aéro-trains)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "aérotrain"
        }
      ],
      "categories": [
        "French 4-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms prefixed with aéro-",
        "French terms with IPA pronunciation",
        "fr:Science fiction"
      ],
      "glosses": [
        "Alternative spelling of aérotrain"
      ],
      "links": [
        [
          "aérotrain",
          "aérotrain#French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "masculine"
      ],
      "wikipedia": [
        "In the Year 2889 (short story)",
        "Michel Verne"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a.e.ʁo.tʁɛ̃/"
    }
  ],
  "word": "aéro-train"
}