moving, directed, or situated toward the west: the westerly end of the field.
(especially of a wind) coming from the west: a westerly gale.
toward the west: to escape westerly.
from the west: a sharp wind blowing westerly.
noun, plural west·er·lies.
a wind that blows from the west: an occasional westerly that pommeled the island.
westerlies, (used with a plural verb) any semipermanent belt of westerly winds, especially those that prevail at latitudes lying between the tropical and polar regions of the earth.
Origin of westerly
1570–80; westRelated formswest·er·li·ness, noun
as in easterly
a town in SW Rhode Island.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for westerly
Contemporary Examples of westerly
Historical Examples of westerly
It was followed by a calm, and afterwards by westerly winds.
The 'possum is found from Connecticut to Florida and westerly to California.
It ought to hang on westerly and dry for another four or five days.
They therefore pressed on westerly, hoping soon to reach the Mississippi.
When snow began to fall with a westerly wind, that was sign number one.
British Dictionary definitions for westerly
of, relating to, or situated in the west
towards or in the direction of the west
(esp of the wind) from the west
noun plural -lies
Derived Formswesterliness, noun
a wind blowing from the west
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for westerly
late 15c., "in a westerly direction; facing toward the west," from Middle English wester (adj.) "western" (mid-14c.), from Old English westra, variant of westerne (see western) + -ly (2). Cf. Old Norse (adv.). Middle English also had a verb wester "to go west." Related: Westerlies (n.). Somewhat contradictory sense of "coming from the west" attested by 1570s.
Online Etymology Dictionary, © 2010 Douglas Harper
A wind, especially a prevailing wind, that blows from the west. The prevailing winds in the middle latitudes are westerlies. See illustration at wind.
The American Heritage® Science Dictionary
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The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.