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

 

hogweed

 noun
noun
BrE BrE//ˈhɒɡwiːd//
 
; NAmE NAmE//ˈhɔːɡwiːd//
 
, NAmE//ˈhɑːɡwiːd//
 
[uncountable]
 
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a large weed (= a wild plant growing where it is not wanted) with white flowers
See the Oxford Advanced American Dictionary entry: hogweed