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

 

allium

 noun
noun
BrE BrE//ˈæliəm//
 
; NAmE NAmE//ˈæliəm//
 
(specialist)
 
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any plant that belongs to the same group as onions and garlic Word OriginLatin, ‘garlic’.
See the Oxford Advanced American Dictionary entry: allium