noun ·same·as rabbet joint, below.
2. rabbet ·vt to cut a rabbet in; to furnish with a rabbet.
3. rabbet ·vt to unite the edges of, as boards, ·etc., in a rabbet joint.
4. rabbet ·noun a longitudinal channel, groove, or recess cut out of the edge or face of any body; especially, one intended to receive another member, so as to break or cover the joint, or more easily to hold the members in place; thus, the groove cut for a panel, for a pane of glass, or for a door, is a rabbet, or rebate.