English

Definition of wing nut noun from the Oxford Advanced Learner's Dictionary

 

wing nut

 noun
noun
BrE BrE//ˈwɪŋ nʌt//
 
; NAmE NAmE//ˈwɪŋ nʌt//
 
 
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a nut (2) for holding things in place, which has parts that stick out at the sides so that you can turn it easily
See the Oxford Advanced American Dictionary entry: wing nut