a flat or level surface.

Geometry . a surface generated by a straight line moving at a constant velocity with respect to a fixed point.

Fine Arts . an area of a two-dimensional surface having determinate extension and spatial direction or position

oblique plane; horizontal plane.

a level of dignity, character, existence, development, or the like

a high moral plane.

Aeronautics .

an airplane or a hydroplane

to take a plane to Dallas.

a thin, flat or curved, extended section of an airplane or a hydroplane, affording a supporting surface.

Architecture . a longitudinal section through the axis of a column.

flat or level, as a surface.

of or pertaining to planes or plane figures.

to glide or soar.

(of a boat) to rise partly out of the water when moving at high speed.

Informal . to fly or travel in an airplane

We'll drive to Detroit and plane to Los Angeles.

adjective

upright , vertical

adjective

even , flat , flush , plain , planate , regular , smooth , uniformnotes:plane is essentially the same word as plain , both ultimately coming from latin planus \'flat\' or \'clear\' , level , planar , straight

noun

condition , degree , extension , face , facet , footing , grade , horizontal , obverse , position , sphere , stratumnotes:plane is essentially the same word as plain , both ultimately coming from latin planus \'flat\' or \'clear\' , airbus , airplane , airship , bird * , craft , crate , jet , ship , twin-enginenotes:plane is essentially the same word as plain , aero , aircraft

verb

flat , flatten , level , smooth , straighten