"coutelas" meaning in Moyen français

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en moyen français issus d’un mot en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en moyen français issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en moyen français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Moyen français",
      "orig": "moyen français",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "cutlass"
    },
    {
      "lang": "Français",
      "lang_code": "fr",
      "word": "coutelas"
    }
  ],
  "etymology_texts": [
    "(1564) Du latin cultellus^([1]). Selon la source, de l’italien coltellaccio^([2]), ou masculinisation de l’ancien substantif coutelasse^([3])."
  ],
  "lang": "Moyen français",
  "lang_code": "frm",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en moyen français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Grand poignard."
      ],
      "id": "fr-coutelas-frm-noun-DW6SehHv"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "coutelas"
}

{
  "categories": [
    "Mots en moyen français issus d’un mot en italien",
    "Mots en moyen français issus d’un mot en latin",
    "Noms communs en moyen français",
    "moyen français"
  ],
  "derived": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "cutlass"
    },
    {
      "lang": "Français",
      "lang_code": "fr",
      "word": "coutelas"
    }
  ],
  "etymology_texts": [
    "(1564) Du latin cultellus^([1]). Selon la source, de l’italien coltellaccio^([2]), ou masculinisation de l’ancien substantif coutelasse^([3])."
  ],
  "lang": "Moyen français",
  "lang_code": "frm",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en moyen français"
      ],
      "glosses": [
        "Grand poignard."
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "coutelas"
}