"bourson" meaning in Français

{
  "anagrams": [
    {
      "word": "bornous"
    },
    {
      "word": "Bournos"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "boursons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes désuets en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes vieillis en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Marie Rouanet, Sonatine pour un petit cadavre, Éditions Climats, 1992, page 52",
          "text": "Vitrine où le jais sombre scintille comme un diamant noir, sous toutes ses formes : boutons, boucles de ceinture, bordures de poignet, décors de corsage, bourses et boursons."
        }
      ],
      "glosses": [
        "Gousset de culotte."
      ],
      "id": "fr-bourson-fr-noun-glUHglEW",
      "tags": [
        "dated",
        "obsolete"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "bourseron"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "bourson"
}

{
  "anagrams": [
    {
      "word": "bornous"
    },
    {
      "word": "Bournos"
    }
  ],
  "categories": [
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "forms": [
    {
      "form": "boursons",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Termes désuets en français",
        "Termes vieillis en français"
      ],
      "examples": [
        {
          "ref": "Marie Rouanet, Sonatine pour un petit cadavre, Éditions Climats, 1992, page 52",
          "text": "Vitrine où le jais sombre scintille comme un diamant noir, sous toutes ses formes : boutons, boucles de ceinture, bordures de poignet, décors de corsage, bourses et boursons."
        }
      ],
      "glosses": [
        "Gousset de culotte."
      ],
      "tags": [
        "dated",
        "obsolete"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "bourseron"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "bourson"
}