teaser in WordNet English dictionary

1. someone given to teasing (as by mocking or stirring curiosity)
   tease  teaser  annoyer  vexer 
   
2. a particularly baffling problem that is said to have a correct solution
   "he loved to solve chessmate puzzles"; "that's a real puzzler"
   puzzle  puzzler  mystifier  teaser 
   
3. a flat at each side of the stage to prevent the audience from seeing into the wings
   tormenter  tormentor  teaser 
   
4. a device for teasing wool
   "a teaser is used to disentangle the fibers"
   teaser 
   
5. an advertisement that offers something free in order to arouse customers' interest
   teaser 
   
6. an attention-getting opening presented at the start of a television show
   teaser 
   
7. a worker who teases wool
   teaser