teas·er 
/ˈti:zɚ/ noun
plural teas·ers /ˈti:zɚ/ noun [count] 1 : a person who teases other people : tease 2 : something that is done, offered, or shown to make people want something or want to see something that will be offered or shown at a later time
▪ A teaser for the sequel appeared at the end of the movie. ▪ credit cards offering teaser rates to get people to sign up 3 Brit : a difficult problem or puzzle : brainteaser
▪ A teaser for the sequel appeared at the end of the movie. ▪ credit cards offering teaser rates to get people to sign up
