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

 

islet

 noun
noun
BrE BrE//ˈaɪlət//
 
; NAmE NAmE//ˈaɪlət//
 
 
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a very small island a rocky islet Word Origin mid 16th cent.: from Old French, diminutive of isle, from Latin insula.
See the Oxford Advanced American Dictionary entry: islet