Definition of teaser noun from the Oxford Advanced Learner's Dictionary

     

    teaser

     noun
    noun
    BrE BrE//ˈtiːzə(r)//
     
    ; NAmE NAmE//ˈtiːzər//
     
    Marketing
     
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  1. 1(informal) a difficult problem or question see also brain-teaser
  2. 2(also teaser ad) an advertisement for a product that does not mention the name of the product or say much about it but is intended to make people interested and likely to pay attention to later advertisements For the first week we ran a teaser featuring a black cat. See related entries: Marketing
See the Oxford Advanced American Dictionary entry: teaser