"canson" meaning in Ancien occitan

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en ancien occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Ancien occitan",
      "orig": "ancien occitan",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Ancien occitan",
  "lang_code": "pro",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "canso"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en ancien occitan",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en ancien occitan à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Vida de Peire d'Auvergne, (transcription deMichel Zink, Les Troubadours - une histoire poétique, 2013, p. 166)",
          "text": "Canson no fetz, qe non era adoncs negus cantars appellatz cansos mas vers ; qu’En Guizautz de Borneill fetz la premeira canson que anc fos faita."
        }
      ],
      "glosses": [
        "Variante de canso."
      ],
      "id": "fr-canson-pro-noun-S78Ahh~4",
      "tags": [
        "alt-of"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "canson"
}

{
  "categories": [
    "Noms communs en ancien occitan",
    "ancien occitan"
  ],
  "lang": "Ancien occitan",
  "lang_code": "pro",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "canso"
        }
      ],
      "categories": [
        "Exemples en ancien occitan",
        "Exemples en ancien occitan à traduire"
      ],
      "examples": [
        {
          "ref": "Vida de Peire d'Auvergne, (transcription deMichel Zink, Les Troubadours - une histoire poétique, 2013, p. 166)",
          "text": "Canson no fetz, qe non era adoncs negus cantars appellatz cansos mas vers ; qu’En Guizautz de Borneill fetz la premeira canson que anc fos faita."
        }
      ],
      "glosses": [
        "Variante de canso."
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "canson"
}