a carpenter's hand tool with an adjustable blade for smoothing or shaping wood | a measuring instrument for measuring the angle of magnetic dip (as from an airplane) |
an aircraft that has a fixed wing and is powered by propellers or jets | an instrument showing the angle that an aircraft makes with the horizon |
a power tool for smoothing or shaping wood | an instrument used by surveyors in order to measure an angle of inclination or elevation |
(mathematics) an unbounded two-dimensional shape | |
a level of existence or development | |