"A-brev" meaning in Danois

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en danois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en danois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Danois",
      "orig": "danois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(1989)Composé de A et de brev."
  ],
  "forms": [
    {
      "form": "Indéfini",
      "tags": [
        "neuter"
      ]
    },
    {
      "form": "A-breve",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "Défini",
      "tags": [
        "neuter"
      ]
    },
    {
      "form": "A-brevet",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "A-brevene",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Danois",
  "lang_code": "da",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes désuets en danois",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Lettre transportée d'un jour à l'autre en semaine."
      ],
      "id": "fr-A-brev-da-noun--AM1Mi3n",
      "tags": [
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈæˀˌbʁεwˀ\\"
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "A-brev"
}

{
  "categories": [
    "Compositions en danois",
    "Noms communs en danois",
    "danois"
  ],
  "etymology_texts": [
    "(1989)Composé de A et de brev."
  ],
  "forms": [
    {
      "form": "Indéfini",
      "tags": [
        "neuter"
      ]
    },
    {
      "form": "A-breve",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "Défini",
      "tags": [
        "neuter"
      ]
    },
    {
      "form": "A-brevet",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "A-brevene",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Danois",
  "lang_code": "da",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Termes désuets en danois"
      ],
      "glosses": [
        "Lettre transportée d'un jour à l'autre en semaine."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈæˀˌbʁεwˀ\\"
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "A-brev"
}