Definition of cheer noun from the Oxford Advanced American Dictionary

     

    cheer

     noun
    noun
    NAmE//tʃɪr//
     
     
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  1. 1[countable] a shout of joy, support, or praise A great cheer went up from the crowd. cheers of encouragement Three cheers for the winners! (= used when you are asking a group of people to cheer three times, in order to congratulate someone, etc.) opposite boo
  2. 2 [countable] a special song or poem used by cheerleaders
  3. 3[uncountable] (formal or literary) an atmosphere of happiness
See the Oxford Advanced Learner's Dictionary entry: cheer