"subfloor" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "floor"
      },
      "expansion": "sub- + floor",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + floor",
  "forms": [
    {
      "form": "subfloors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subfloor (plural subfloors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Greek terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Construction",
          "orig": "en:Construction",
          "parents": [
            "Architecture",
            "Engineering",
            "Applied sciences",
            "Art",
            "Technology",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2007 May 6, Tracie Rozhon, “The Good Bones Were Still There, Hidden Under the Additions”, in New York Times",
          "text": "The original floor was still there: wide boards, laid tongue-in-groove, not the inferior subfloor they had predicted.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet"
      ],
      "id": "en-subfloor-en-noun-lsYKVZM4",
      "links": [
        [
          "construction",
          "construction"
        ],
        [
          "floor",
          "floor"
        ],
        [
          "flooring",
          "flooring"
        ],
        [
          "carpet",
          "carpet"
        ]
      ],
      "raw_glosses": [
        "(construction) The floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet"
      ],
      "topics": [
        "business",
        "construction",
        "manufacturing"
      ],
      "translations": [
        {
          "code": "el",
          "lang": "Greek",
          "roman": "psevdopátoma",
          "sense": "The floor structure supporting and underlying the visible flooring",
          "tags": [
            "neuter"
          ],
          "word": "ψευδοπάτωμα"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "The floor structure supporting and underlying the visible flooring",
          "tags": [
            "feminine"
          ],
          "word": "pavimentazione"
        }
      ]
    }
  ],
  "word": "subfloor"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "floor"
      },
      "expansion": "sub- + floor",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + floor",
  "forms": [
    {
      "form": "subfloors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subfloor (plural subfloors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with sub-",
        "English terms with quotations",
        "Greek terms with redundant script codes",
        "en:Construction"
      ],
      "examples": [
        {
          "ref": "2007 May 6, Tracie Rozhon, “The Good Bones Were Still There, Hidden Under the Additions”, in New York Times",
          "text": "The original floor was still there: wide boards, laid tongue-in-groove, not the inferior subfloor they had predicted.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet"
      ],
      "links": [
        [
          "construction",
          "construction"
        ],
        [
          "floor",
          "floor"
        ],
        [
          "flooring",
          "flooring"
        ],
        [
          "carpet",
          "carpet"
        ]
      ],
      "raw_glosses": [
        "(construction) The floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet"
      ],
      "topics": [
        "business",
        "construction",
        "manufacturing"
      ]
    }
  ],
  "translations": [
    {
      "code": "el",
      "lang": "Greek",
      "roman": "psevdopátoma",
      "sense": "The floor structure supporting and underlying the visible flooring",
      "tags": [
        "neuter"
      ],
      "word": "ψευδοπάτωμα"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "The floor structure supporting and underlying the visible flooring",
      "tags": [
        "feminine"
      ],
      "word": "pavimentazione"
    }
  ],
  "word": "subfloor"
}