"pierre à plâtre" 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": "Traductions en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "À en français",
      "orig": "à en français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    " ",
    "Composé de pierre, à et plâtre"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en français de la construction",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en français de la maçonnerie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              39,
              54
            ]
          ],
          "text": "Le sous-sol de Montmartre est riche en pierre à plâtre."
        }
      ],
      "glosses": [
        "Roche dont on tire le plâtre par cuisson."
      ],
      "id": "fr-pierre_à_plâtre-fr-noun-C0hzCAM1",
      "topics": [
        "construction",
        "masonry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pjɛ.ʁ‿a plɑtʁ\\"
    }
  ],
  "synonyms": [
    {
      "word": "gypse"
    },
    {
      "word": "aphrosélénon"
    },
    {
      "word": "gypsite"
    },
    {
      "word": "montmartrite"
    },
    {
      "word": "lapis specularis"
    },
    {
      "word": "pierre plâtrière"
    },
    {
      "tags": [
        "obsolete"
      ],
      "word": "sélénite"
    },
    {
      "word": "spath satiné"
    }
  ],
  "tags": [
    "feminine"
  ],
  "translations": [
    {
      "lang": "Occitan",
      "lang_code": "oc",
      "word": "pèira de gip"
    }
  ],
  "word": "pierre à plâtre"
}

{
  "categories": [
    "Compositions en français",
    "Locutions nominales en français",
    "Traductions en occitan",
    "français",
    "à en français"
  ],
  "etymology_texts": [
    " ",
    "Composé de pierre, à et plâtre"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Lexique en français de la construction",
        "Lexique en français de la maçonnerie"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              39,
              54
            ]
          ],
          "text": "Le sous-sol de Montmartre est riche en pierre à plâtre."
        }
      ],
      "glosses": [
        "Roche dont on tire le plâtre par cuisson."
      ],
      "topics": [
        "construction",
        "masonry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pjɛ.ʁ‿a plɑtʁ\\"
    }
  ],
  "synonyms": [
    {
      "word": "gypse"
    },
    {
      "word": "aphrosélénon"
    },
    {
      "word": "gypsite"
    },
    {
      "word": "montmartrite"
    },
    {
      "word": "lapis specularis"
    },
    {
      "word": "pierre plâtrière"
    },
    {
      "tags": [
        "obsolete"
      ],
      "word": "sélénite"
    },
    {
      "word": "spath satiné"
    }
  ],
  "tags": [
    "feminine"
  ],
  "translations": [
    {
      "lang": "Occitan",
      "lang_code": "oc",
      "word": "pèira de gip"
    }
  ],
  "word": "pierre à plâtre"
}