Definition of biliary adjective from the Oxford Advanced Learner's Dictionary

 

biliary

 adjective
adjective
BrE BrE//ˈbɪliəri//
 
; NAmE NAmE//ˈbɪlieri//
 
(medical)
 
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relating to bile or to the bile duct Word Origin mid 18th cent.: from French biliaire, from bile ‘bile’.
See the Oxford Advanced American Dictionary entry: biliary