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

 

sharpener

 noun
noun
BrE BrE//ˈʃɑːpnə(r)//
 
; NAmE NAmE//ˈʃɑːrpnər//
 
 
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(usually in compounds) a tool or machine that makes things sharp a pencil sharpener a knife sharpener
See the Oxford Advanced American Dictionary entry: sharpener

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