"glissances" meaning in Français

{
  "anagrams": [
    {
      "word": "cinglasses"
    },
    {
      "word": "clignasses"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "glissance",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "AndréeCorvol, Les sources de l’histoire de l’environnement, volume 3, 2003",
          "text": "Le coût de revient de la construction, mais aussi les glissances orientent le choix des ingénieurs vers les deux premières solutions."
        }
      ],
      "form_of": [
        {
          "word": "glissance"
        }
      ],
      "glosses": [
        "Pluriel de glissance."
      ],
      "id": "fr-glissances-fr-noun-O760vCZB"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡli.sɑ̃s\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "glissances"
}

{
  "anagrams": [
    {
      "word": "cinglasses"
    },
    {
      "word": "clignasses"
    }
  ],
  "categories": [
    "Formes de noms communs en français",
    "français"
  ],
  "forms": [
    {
      "form": "glissance",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "ref": "AndréeCorvol, Les sources de l’histoire de l’environnement, volume 3, 2003",
          "text": "Le coût de revient de la construction, mais aussi les glissances orientent le choix des ingénieurs vers les deux premières solutions."
        }
      ],
      "form_of": [
        {
          "word": "glissance"
        }
      ],
      "glosses": [
        "Pluriel de glissance."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡli.sɑ̃s\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "glissances"
}