Locksmith
ahd-5
noun.
One that makes or repairs locks.
The Century Dictionary and Cyclopedia
noun.
An artificer whose occupation is to make locks.
the GNU version of the Collaborative International Dictionary of English
noun.
A person whose occupation is to make, mend, or install locks, or to make keys for locks.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
one who studies or practices
locksmithing
noun.
someone who only bets when they are sure they will win
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
someone who makes or repairs locks