Like a dado, but cut with the grain. Used in frame-and-panel construction to hold the panel.
Plow a groove on the inside of each frame piece for the panel.
A square or rectangular groove cut across the grain of a board, typically to receive a shelf or divider.
A step cut into the edge or end of a board. Used for case backs, drawer bottoms, and overlay doors.
A flat board that fits into a frame, often allowed to float in grooves so it can expand and contract with humidity.