MORTISE a A rectangular cavity made to receive a lock or other hardware: also, the act of making such a cavity. MORTISE ... sash or doors. MUSHROOM TUMBLERa A type of tumbler used in pin tumbler locks to add security against picking.
|Title||:||Terms and definitions for door and window security|
|Author||:||John S. Stroik, National Institute of Law Enforcement and Criminal Justice|