a drawing to scale of the arrangement of rooms on one floor of a building
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WordReference Random House Unabridged Dictionary of American English © 2025
floor′ plan′,
- a diagram of one room, apartment, or entire floor of a building, usually drawn to scale.
- 1865–70
Collins Concise English Dictionary © HarperCollins Publishers::
'floor plan' also found in these entries (note: many are not synonyms or translations):