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

 

poinsettia

 noun
noun
BrE BrE//ˌpɔɪnˈsetiə//
 
; NAmE NAmE//ˌpɔɪnˈsetiə//
 
 
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a tropical plant with large red or pink leaves that grow to look like flowers, often grown indoors in pots Word Origin mid 19th cent.: modern Latin, named after Joel R. Poinsett (1779–1851), American diplomat and amateur botanist.
See the Oxford Advanced American Dictionary entry: poinsettia