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

 

pluvial

 adjective
adjective
BrE BrE//ˈpluːviəl//
 
; NAmE NAmE//ˈpluːviəl//
 
(specialist) Rain
 
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relating to rain See related entries: Rain Word Origin mid 17th cent.: from Latin pluvialis, from pluvia ‘rain’.
See the Oxford Advanced American Dictionary entry: pluvial