American English

Definition of topcoat noun from the Oxford Advanced American Dictionary

     

    topcoat

     noun
    noun
    NAmE//ˈtɑpkoʊt//
     
     
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  1. 1the last layer of paint put on a surface compare undercoat
  2. 2(old-fashioned) an overcoat
See the Oxford Advanced Learner's Dictionary entry: topcoat