Sticker /(?)/

Stick·er

Sticker

n.
  1. One who, or that which, sticks; as, a bill sticker.
  2. That which causes one to stick; that which puzzles or poses. [Colloq.]
  3. In the organ, a small wooden rod which connects (in part) a key and a pallet, so as to communicate motion by pushing. (Mus.)
  4. Same as Paster, 2. [Political Cant, U.S.]