noun

1. a drawing or diagram showing the arrangement in horizontal section of a structure, piece of ground, etc.
2. 1. a scheme or program for making, doing, or arranging something; project, design, schedule, etc.
   2. a method of proceeding
3. any outline or sketch
4. in perspective, any of several planes thought of as perpendicular to the line of sight and between the eye and the object

Etymology: Fr, plan, plane, foundation: merging of plan (< L planus: see plain) with MFr plant < It pianta < L planta, sole of the foot: see plant

transitive verb planned, planning plan′·ning

1. to make a plan of (a structure, piece of ground, etc.)
2. to devise a scheme for doing, making, or arranging
3. to have in mind as a project or purpose

intransitive verb