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

 

açai

 noun
noun
BrE BrE//æˈsaɪiː//
 
; NAmE NAmE//æˈsaɪiː//
 
; BrE BrE//ˌæsaɪˈiː//
 
; NAmE NAmE//ˌæsaɪˈiː//
 
(pl. açai)
 
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a type of South American palm tree (= a straight tree with a mass of long leaves at the top), which produces small dark fruit that can be eaten or made into juice açai berries