English

floor noun definition in Parts of a house topic from the Oxford Advanced Learner's Dictionary

floor

 noun: Parts of a house topic
1 [countable, usually singular] the surface of a room that you walk on a wooden/concrete/marble, etc. floor ceramic floor tiles The body was lying on the kitchen floor. The furniture and floor coverings date from the 1920s. The alterations should give us extra floor space. 2 [countable] all the rooms that are on the same level of a building Her office is on the second floor. the Irish guy who lives two floors above There is a lift to all floors. Their house is on three floors (= it has three floors). to become involved in a plan, project, etc. at the beginning