locksmith

from WordNet (r) 3.0 (2006)
locksmith
    n 1: someone who makes or repairs locks
    
from The Collaborative International Dictionary of English v.0.48
Locksmith \Lock"smith`\, n.
   A person whose occupation is to make, mend, or install locks,
   or to make keys for locks.
   [1913 Webster]
    

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