1. A draught or form; properly, a representation drawn on a plane, as a map or a chart; especially, a top view, as of a machine, or the representation or delineation of a horizontal section of anything, as of a building; a graphic representation; a diagram.
2. A scheme devised; a method of action or procedure expressed or described in language; a project; as, the plan of a constitution; the plan of an expedition. God's plans like lines pure and white unfold. (M. R. Smith)
Origin: F, fr. L. Planus flat, level. See Plain.