American English

Definition of butter noun from the Oxford Advanced American Dictionary

  

butter

 noun
noun
NAmE//ˈbʌt̮ər//
 
[uncountable]
 
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  •   a soft yellow food made from cream, used in cooking, and for spreading on bread Fry the onions in butter. Do you want butter or margarine on your toast? see also bread and butter, cocoa butter, peanut butter, shea butter
  • Idioms
    butter wouldn't melt (in somebody's mouth) (informal)
     
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    used to say that someone seems to be innocent, kind, etc. when they are not really
    like a knife through butter (informal)
     
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    easily; without meeting any difficulty
    See the Oxford Advanced Learner's Dictionary entry: butter