A picker of locks. CANT.
·noun One who, or that which, dubs. II. Dubber ·noun A globular vessel or bottle of leather, used i...
Webster's Dictionary of the English Language
See dubbah ...
The Sailor's Word-Book
1) An expert picklock. 2) A thief who picks locks, so called from the gilt or picklock key: many of...
Dictionary of The Vulgar Tongue by Francis Grose
A turnkey. ...