—n. 1. a deep notch formed in or near one edge of a board, framing timber, etc., so that something else can be fitted into it or so that a door or the like can be closed against it.
2. a broad groove let into the surface of a board or the like; dado.
—v.t. 1. to cut a rabbet in (a board or the like).
2. to join (boards or the like) by means of a rabbet or rabbets.
—v.i. to join by a rabbet (usually fol. by on or over). Also,rebate.