- planA drawing showing technical details of a building, machine, etc., with unwanted details omitted, and often using symbols rather than detailed drawing to represent doors, valves, etc.
- plainFlat, level.
- planarOf or pertaining to a plane.
- plani-flat, level, plane
- planishTo repeatedly hammer (a sheet of metal) so as to shape and smooth it or create a decorative indented finish.
- planularOf or pertaining to a plane.