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1.
A thief well versed in burglary by means of skeleton keys, waxing keys (creating imprints for duplication), or picking locks.

Exemplified by the character of Agar in Michael Crichton's "The Great Train Robbery"
Pierce: "I'm thinking of something bigger."
Agar: "With wax...on the fly?"
Pierce: "Mmm-hmm"
Agar: "Well then, I'm your man. I'm the bloody fastest screwsman you'll ever see."
Pierce: "So I heard"
by TouchstoneTheFool March 21, 2007