| noun | an aircraft that has a fixed wing and is powered by propellers or jets “the flight was delayed due to trouble with the airplane” |
| noun | (mathematics) an unbounded two-dimensional shape “we will refer to the plane of the graph as the X-Y plane” |
| noun | a level of existence or development “he lived on a worldly plane” |
| noun | a power tool for smoothing or shaping wood |
| noun | a carpenter's hand tool with an adjustable blade for smoothing or shaping wood “the cabinetmaker used a plane for the finish work” |
| verb | cut or remove with or as if with a plane “The machine shaved off fine layers from the piece of wood” |
| verb | travel on the surface of water |
| verb | make even or smooth, with or as with a carpenter's plane “plane the top of the door” |
| adjective | having a surface without slope, tilt in which no part is higher or lower than another “a flat desk” |
| plane | adjective | having a surface without slope, tilt in which no part is higher or lower than another |
| planar | adjective | involving two dimensions |
| plane | verb | make even or smooth, with or as with a carpenter's plane |
| plane | noun | a carpenter's hand tool with an adjustable blade for smoothing or shaping wood |
| planer | noun | a power tool for smoothing or shaping wood |
| planation | noun | the process of erosion whereby a level surface is produced |
| flatness | noun | the property of having two dimensions |
| planeness | noun | the property of having two dimensions |