master keyed only — adj. of or pertaining to a lock or cylinder which is or is to be combinated only to a master key … Locksmith dictionary
grand master keyed — adj. of or pertaining to a lock or cylinder which is or is to be keyed into a grand master key system … Locksmith dictionary
great grand master keyed — adj. of or pertaining to a lock or cylinder which is or is to be keyed into a great grand master key system … Locksmith dictionary
great great grand master keyed — adj. of or pertaining to a lock or cylinder which is or is to be keyed into a great great grand master key system … Locksmith dictionary
construction master keyed — adj. of or pertaining to a cylinder which is or is to be operated temporarily by a construction master key … Locksmith dictionary
master key — n. 1. a key which operates all the master keyed locks or cylinders in a group, each lock or cylinder usually operated by its own change key 2. v. to combinate a group of locks or cylinders such that each is operated by its own change key… … Locksmith dictionary
master-ring — ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun : a cylindrical ring surrounding the plug in a master keyed lock … Useful english dictionary
building master key — n. a master key which operates all or most master keyed looks in a given building … Locksmith dictionary
department master key — n. a master key which operates all or most master keyed locks of a given department … Locksmith dictionary
floor master key — n. a master key which operates all or most master keyed locks on a particular floor of a building … Locksmith dictionary