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

 

cannula

 noun
noun
BrE BrE//ˈkænjʊlə//
 
; NAmE NAmE//ˈkænjʊlə//
 
(pl. cannulae
BrE BrE//ˈkænjʊliː//
 
; NAmE NAmE//ˈkænjʊliː//
 
, cannulas)
(medical) Medical equipment
 
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a thin tube that is put into a vein or other part of the body, for example to give somebody medicine See related entries: Medical equipment Word Origin late 17th cent.: from Latin ‘small reed’, diminutive of canna from Greek kanna, kannē, of Semitic origin.
See the Oxford Advanced American Dictionary entry: cannula