1) The glass key 1) Fable about smoked salmon 2) Key employee 3) Key maker 4) Key person 5) Keystone ring wearer 6) Linus Yale was one 7) Smith 8) Yale person 
• (n.) An artificer whose occupation is to make or mend locks.
Lock'smith` noun An artificer whose occupation is to make or mend locks. 
[n] - someone who makes or repairs locks
noun someone who makes or repairs locks
a person who makes or repairs locks and keys.