'Inclined plane' definitions:

Definition of 'inclined plane'

noun

A simple machine for elevating objects; consists of plane surface that makes an acute angle with the horizontal

From: GCIDE

Inclined \In*clined"\, p. p. & a.
1. Having a leaning or tendency towards, or away from, a thing; disposed or moved by wish, desire, or judgment; as, a man inclined to virtue. "Each pensively inclined." --Cowper. [1913 Webster]
2. (Math.) Making an angle with some line or plane; -- said of a line or plane. [1913 Webster]
3. (Bot.) Bent out of a perpendicular position, or into a curve with the convex side uppermost. [1913 Webster]
Inclined plane. (Mech.) (a) A plane that makes an oblique angle with the plane of the horizon; a sloping plane. When used to produce pressure, or as a means of moving bodies, it is one of the mechanical powers, so called. (b) (Railroad & Canal) An inclined portion of track, on which trains or boats are raised or lowered from one level to another. [1913 Webster]