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Definition of plane
plane - adj. having a surface without slope, tilt in which no part is higher or lower than another; noun a carpenter's hand tool with an adjustable blade for smoothing or shaping wood; a power tool for smoothing or shaping wood; (mathematics) an unbounded two-dimensional shape; a level of existence or development; an aircraft that has a fixed wing and is powered by propellers or jets; verb cut or remove with or as if with a plane; make even or smooth, with or as with a carpenter's plane; travel on the surface of water.
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