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

 

cutlass

 noun
noun
BrE BrE//ˈkʌtləs//
 
; NAmE NAmE//ˈkʌtləs//
 
Weapons
 
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a short sword with a curved blade that was used as a weapon by sailors and pirates in the past See related entries: Weapons Word Origin late 16th cent.: from French coutelas, based on Latin cultellus ‘small knife’, diminutive of culter ‘knife, ploughshare’.
See the Oxford Advanced American Dictionary entry: cutlass