G

GGGMK
abb. great great grand master key

GGGMK`d
abb. great great grand master keyed

GGM
abb. great grand master key

GGMK
abb. great grand master key

GGMK`d
abb. great grand master keyed

GM
abb. grand master key

GMK
abb. grand master key

GMK`d
abb. grand master keyed

grand master key
The highest level masterkey that fits all the locks in a multi-level masterkeyed system.

grand master key system
n. a master key system which has exactly three levels of keying

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

great grand master key
n. the key which operates two or more separate groups of locks which are each operated by a different grand master key

great grand master key system
n. a master key system which has exactly four levels of keying

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

great great grand master key
n. the key which operates two or more separate groups of locks which are each operated by different great grand master keys

great great grand master key system
n. a master key system which has five or more levels of keying

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

grooves
[image] Long narrow milled out areas along the sides of the blade to allow the blade to bypass the wards in the keyway.

guest key
n. a key in a hotel master key system which is normally used to unlock only the one guest room for which it was intended, but will not operate the lock in the shut out mode