American English

Definition of mask noun from the Oxford Advanced American Dictionary

     

    mask

     noun
    noun
    NAmE//mæsk//
     
     
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  1. 1a covering for part or all of the face, worn to hide or protect it a gas/surgical mask The robbers were wearing stocking masks. He was carrying a baseball bat, gloves, and a catcher's mask. see also oxygen mask
  2. 2 something that covers your face and has another face painted on it The kids were all wearing Halloween masks. see also death mask
  3. 3 a thick cream made of various substances that you put on your face and neck in order to improve the quality of your skin a facial mask
  4. 4[usually singular] a manner or an expression that hides your true character or feelings He longed to throw off the mask of respectability. Her face was a cold blank mask.
See the Oxford Advanced Learner's Dictionary entry: mask