- a rectangular board on which paper is placed or mounted for drawing or drafting.
- back to the original or an earlier stage of planning or development: Our plan didn't work out, so it's back to the drawing board.
- in the planning or design stage: The shopping center is still on the drawing board.
- a smooth flat rectangular board on which paper, canvas, etc, is placed for making drawings
- return to an earlier stage in an enterprise because a planned undertaking has failed
