Teaser (sternwheeler) definition

(1) A device for teasing wool

"A teaser is used to disentangle the fibers"

(2) A flat at each side of the stage to prevent the audience from seeing into the wings

(3) An attention-getting opening presented at the start of a television show

(4) A particularly baffling problem that is said to have a correct solution

"He loved to solve chessmate puzzles"

"That's a real puzzler"

(5) An advertisement that offers something free in order to arouse customers' interest

(6) Someone given to teasing (as by mocking or stirring curiosity)

(7) A worker who teases wool