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

 

sickle

 noun
noun
BrE BrE//ˈsɪkl//
 
; NAmE NAmE//ˈsɪkl//
 
 
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a tool with a curved blade and a short handle, used for cutting grass, etc. see also hammer and sickle Word Origin Old English sicol, sicel, of Germanic origin; related to Dutch sikkel and German Sichel, based on Latin secula, from secare ‘to cut’.
See the Oxford Advanced American Dictionary entry: sickle