"pierre gypseuse" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de pierre et de gypseux."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Pierre que l’action du feu réduit en plâtre."
      ],
      "id": "fr-pierre_gypseuse-fr-noun-diVCdQVd"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "pierre gypseuse"
}

{
  "categories": [
    "Compositions en français",
    "Locutions nominales en français",
    "français"
  ],
  "etymology_texts": [
    "Composé de pierre et de gypseux."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "glosses": [
        "Pierre que l’action du feu réduit en plâtre."
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "pierre gypseuse"
}