English

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

 

rhizome

 noun
noun
BrE BrE//ˈraɪzəʊm//
 
; NAmE NAmE//ˈraɪzoʊm//
 
(specialist)
 
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the thick stem of some plants, such as iris and mint, that grows along or under the ground and has roots and stems growing from it Word Origin mid 19th cent.: from Greek rhizōma, from rhizousthai ‘take root’, based on rhiza ‘root’.
See the Oxford Advanced American Dictionary entry: rhizome