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1. Of or relating to rain; rainy.
2. Marked or formed by abundant rainfall: pluvial periods; a pluvial lake.
An extended period of abundant rainfall, especially such a period of the Pleistocene Epoch.
[Latin pluviālis, from pluvia, rain; see pluvious.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
of, characterized by, or due to the action of rain; rainy: pluvial insurance.
1. (Geological Science) geology of or relating to rainfall or precipitation
2. (Geological Science) a climate characterized by persistent heavy rainfall, esp one occurring in unglaciated regions during the Pleistocene epoch
[C17: from Latin pluviālis rainy, from pluvia rain]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
plu•vi•al(ˈplu vi əl)
1. of or pertaining to rain, esp. much rain; rainy.
2. occurring through or formed by the action of rain.
[1650–60; < Latin pluviālis=pluvi(a) rain + -ālis -al1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
1. Relating to rain; rainy: During the Pleistocene Epoch there were many pluvial periods.
2. Caused by rain: pluvial lakes.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.