Answer: rabbeted

AnswerCrossword Clue
RABBETEDGrooved a board, in carpentry.
RABBETEDFormed a joint, in carpentry
RABBETEDLike doorjambs
rabbetedA step-shaped recess cut along the edge or in the face of a piece of wood, typically forming a match to the edge or tongue of another piece
rabbetedRABBET, to cut a groove in