- floor, level, storey, story - structure consisting of a room or set of rooms comprising a single level of a multilevel building; "what level is the office on?"
--1 is a kind of structure, construction
--1 is a part of building, edifice
--1 has particulars:basement, cellar; ground floor, first floor, ground level; loft, attic, garret; loft; mezzanine, mezzanine floor