turnkey > define
noun
- Someone who guards prisoners.
- synonyms: prison guard, jailer, jailor, gaoler, screw
by WordNet 3.0 © 2006 by Princeton University
- (n.) A person who has charge of the keys of a prison, for opening and fastening the doors; a warder.
- (n.) An instrument with a hinged claw, -- used for extracting teeth with a twist.
by Webster's Revised Unabridged Dictionary