Answer: mortises

AnswerCrossword Clue
MORTISESFastens securely
MORTISESTerm in carpentry.
MORTISESFurniture slots
MORTISESTenons' joiners
MORTISESTenons' partners
mortisesslot in wood for a tenon
mortisesMORTISE, to join or fasten securely, also MORTICE