"cement board" meaning in English

{
  "forms": [
    {
      "form": "cement boards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "cement board (countable and uncountable, plural cement boards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "51 49",
          "kind": "topical",
          "langcode": "en",
          "name": "Building materials",
          "orig": "en:Building materials",
          "parents": [
            "Construction",
            "Materials",
            "Architecture",
            "Engineering",
            "Manufacturing",
            "Applied sciences",
            "Art",
            "Technology",
            "Human activity",
            "Sciences",
            "Culture",
            "All topics",
            "Human behaviour",
            "Society",
            "Fundamental",
            "Human"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A building material made of cement and glass fibers formed into sheets, used as tile backing board."
      ],
      "id": "en-cement_board-en-noun-gNC2IT9k",
      "links": [
        [
          "backing",
          "backing"
        ]
      ],
      "raw_glosses": [
        "(uncountable) A building material made of cement and glass fibers formed into sheets, used as tile backing board."
      ],
      "related": [
        {
          "_dis1": "85 15",
          "word": "plaster"
        },
        {
          "_dis1": "85 15",
          "word": "plasterboard"
        },
        {
          "_dis1": "85 15",
          "word": "gypsum plaster"
        },
        {
          "_dis1": "85 15",
          "word": "lath"
        },
        {
          "_dis1": "85 15",
          "word": "gypsum board"
        },
        {
          "_dis1": "85 15",
          "word": "gyprock"
        },
        {
          "_dis1": "85 15",
          "word": "sheetrock"
        },
        {
          "_dis1": "85 15",
          "word": "wallboard"
        },
        {
          "_dis1": "85 15",
          "word": "drywall"
        }
      ],
      "synonyms": [
        {
          "_dis1": "85 15",
          "word": "backer board"
        }
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "43 57",
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "topical",
          "langcode": "en",
          "name": "Building materials",
          "orig": "en:Building materials",
          "parents": [
            "Construction",
            "Materials",
            "Architecture",
            "Engineering",
            "Manufacturing",
            "Applied sciences",
            "Art",
            "Technology",
            "Human activity",
            "Sciences",
            "Culture",
            "All topics",
            "Human behaviour",
            "Society",
            "Fundamental",
            "Human"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A sheet of the building material."
      ],
      "id": "en-cement_board-en-noun-1gNjWaly",
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "wikipedia": [
    "cement board"
  ],
  "word": "cement board"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with topic categories using raw markup",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with non-redundant non-automated sortkeys",
    "English uncountable nouns",
    "en:Building materials"
  ],
  "forms": [
    {
      "form": "cement boards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "cement board (countable and uncountable, plural cement boards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "plaster"
    },
    {
      "word": "plasterboard"
    },
    {
      "word": "gypsum plaster"
    },
    {
      "word": "lath"
    },
    {
      "word": "gypsum board"
    },
    {
      "word": "gyprock"
    },
    {
      "word": "sheetrock"
    },
    {
      "word": "wallboard"
    },
    {
      "word": "drywall"
    }
  ],
  "senses": [
    {
      "categories": [
        "English uncountable nouns"
      ],
      "glosses": [
        "A building material made of cement and glass fibers formed into sheets, used as tile backing board."
      ],
      "links": [
        [
          "backing",
          "backing"
        ]
      ],
      "raw_glosses": [
        "(uncountable) A building material made of cement and glass fibers formed into sheets, used as tile backing board."
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "glosses": [
        "A sheet of the building material."
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "backer board"
    }
  ],
  "wikipedia": [
    "cement board"
  ],
  "word": "cement board"
}