"Luftpost" meaning in Allemand

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Allemand",
      "orig": "allemand",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en allemand de la poste",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en allemand de l’aéronautique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Poste aérienne."
      ],
      "id": "fr-Luftpost-de-noun-ZrAgP90b",
      "raw_tags": [
        "Poste"
      ],
      "topics": [
        "aeronautics"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Luftpost"
}

{
  "categories": [
    "Lemmes en allemand",
    "Noms communs en allemand",
    "allemand"
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en allemand de la poste",
        "Lexique en allemand de l’aéronautique"
      ],
      "glosses": [
        "Poste aérienne."
      ],
      "raw_tags": [
        "Poste"
      ],
      "topics": [
        "aeronautics"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Luftpost"
}