"jaque de mailles" meaning in Ancien français

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en ancien français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Ancien français",
      "orig": "ancien français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De jaque et de maille"
  ],
  "lang": "Ancien français",
  "lang_code": "fro",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Armure souple, faite de mailles métalliques, allant du cou jusqu'aux cuisses."
      ],
      "id": "fr-jaque_de_mailles-fro-noun-coDC8Q8w"
    }
  ],
  "synonyms": [
    {
      "word": "saie"
    }
  ],
  "tags": [
    "feminine",
    "plural"
  ],
  "word": "jaque de mailles"
}

{
  "categories": [
    "Noms communs en ancien français",
    "Traductions en latin",
    "ancien français"
  ],
  "etymology_texts": [
    "De jaque et de maille"
  ],
  "lang": "Ancien français",
  "lang_code": "fro",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Armure souple, faite de mailles métalliques, allant du cou jusqu'aux cuisses."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "saie"
    }
  ],
  "tags": [
    "feminine",
    "plural"
  ],
  "word": "jaque de mailles"
}