English

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

     

    rub

     noun
    noun
    BrE BrE//rʌb//
     
    ; NAmE NAmE//rʌb//
     
     
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  1. 1[countable, usually singular] an act of rubbing a surface She gave her knee a quick rub.
  2. 2the rub [singular] (formal or humorous) a problem or difficulty The hotel is in the middle of nowhere and there lies the rub. We don't have a car.
  3. Word Origin Middle English (as a verb): perhaps from Low German rubben, of unknown ultimate origin. The noun dates from the late 16th cent.
See the Oxford Advanced American Dictionary entry: rub