1. a flat or level surface.
2. a surface generated by a straight line moving at a constant velocity with respect to a fixed point.
3. an area of a two-dimensional surface having determinate extension and spatial direction or position: oblique plane; horizontal plane.
4. a level of dignity, character, existence, development, or the like: a high moral plane.
5. 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.
6. a longitudinal section through the axis of a column.

7. flat or level, as a surface.
8. of or relating to planes or plane figures.

9. to glide or soar.
10. (of a boat) to rise partly out of the water when moving at high speed.
11. to fly or travel in an airplane: We'll drive to Detroit and plane to Los Angeles.

1. any of various woodworking instruments for paring, truing, or smoothing, or for forming moldings, chamfers, rabbets, grooves, etc., by means of an inclined, adjustable blade moved along and against the piece being worked.
2. a trowellike tool for smoothing the surface of clay in a brick mold.

3. to smooth or dress with or as if with a plane or a planer.
4. to remove by or as if by means of a plane (usually followed by away or off).

5. to work with a plane.
6. to function as a plane.

1. plane tree.

1. a flat surface in which a straight line joining any two of its points lies entirely on that surface
2. a flat or level surface
3. a level of existence, performance, attainment, etc
• short for aeroplane
• a wing or supporting surface of an aircraft or hydroplane

5. level or flat
6. (of a curve, figure, etc) lying entirely in one plane

7. to fly without moving wings or using engines; glide
8. (of a boat) to rise partly and skim over the water when moving at a certain speed
9. to travel by aeroplane

1. a tool with an adjustable sharpened steel blade set obliquely in a wooden or iron body, for levelling or smoothing timber surfaces, cutting mouldings or grooves, etc
2. a flat tool, usually metal, for smoothing the surface of clay or plaster in a mould

3. to level, smooth, or cut (timber, wooden articles, etc) using a plane or similar tool
4. to remove using a plane

1. See plane tree

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