From The Collaborative International Dictionary of English v.0.48:
Sticker \Stick"er\, n.
1. One who, or that which, sticks; as, a bill sticker.
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2. That which causes one to stick; that which puzzles or
poses. [Colloq.] --Tackeray.
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3. (Mus.) In the organ, a small wooden rod which connects (in
part) a key and a pallet, so as to communicate motion by
pushing.
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4. Same as Paster, 2. [Political Cant, U.S.]
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