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Occurring annually. Used of the prevailing northerly summer winds of the Mediterranean.
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.
(Physical Geography) (of NW winds) recurring annually in the summer in the E Mediterranean
[C17: from Latin etēsius yearly, from Greek etēsios, from etos year]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. (of certain Mediterranean winds) occurring annually.n.
2. an etesian wind.
[1595–1605; < Latin etēsi(ae) < Greek etēsíai (ánemoi) periodic (winds) + -an1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.