Definition of Teaser

Noun: teaser tee-zu(r)

A worker who teases wool
Someone given to teasing (as by mocking or stirring curiosity)
- tease, annoyer, vexer
An advertisement that offers something free in order to arouse customers' interest
A particularly baffling problem that is said to have a correct solution
"he loved to solve checkmate teasers";
- puzzle, puzzler, mystifier, riddler
An attention-getting opening presented at the start of a television show
A flat at each side of the stage to prevent the audience from seeing into the wings
- tormenter, tormentor
A device for teasing wool
"a teaser is used to disentangle the fibers"