a chart used in plane sailing, in which the lines of latitude and longitude are straight and parallel
[pleyn] /pleɪn/ noun 1. a flat or level surface. 2. Geometry. a surface generated by a straight line moving at a constant velocity with respect to a fixed point. 3. Fine Arts. an area of a two-dimensional surface having determinate extension and spatial direction or position: oblique plane; horizontal plane. 4. a level of dignity, […]
noun, Mathematics. 1. the geometry of figures whose parts all lie in one plane. noun 1. the study of the properties of and relationships between plane curves, figures, etc plane geometry The mathematical study of geometric figures whose parts lie in the same plane, such as polygons, circles, and lines. The study of two-dimensional figures […]
noun, Carpentry. 1. the blade of a plane.
- Plane joint
plane joint n. A synovial joint in which the opposing surfaces are nearly planes and in which there is only a slight, gliding motion. Also called arthrodia, arthrodial joint, gliding joint.