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