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westerly

[wes-ter-lee] /ˈwɛs tər li/
adjective
1.
moving, directed, or situated toward the west:
the westerly end of the field.
2.
(especially of a wind) coming from the west:
a westerly gale.
adverb
3.
toward the west:
to escape westerly.
4.
from the west:
a sharp wind blowing westerly.
noun, plural westerlies.
5.
a wind that blows from the west:
an occasional westerly that pommeled the island.
6.
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
1570-1580
1570-80; west + -erly, as in easterly
Related forms
westerliness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for westerlies

Westerlies

/ˈwɛstəlɪz/
plural noun
1.
(meteorol) the prevailing winds blowing from the west on the poleward sides of the horse latitudes, often bringing depressions and anticyclones

westerly

/ˈwɛstəlɪ/
adjective
1.
of, relating to, or situated in the west
adverb, adjective
2.
towards or in the direction of the west
3.
(esp of the wind) from the west
noun (pl) -lies
4.
a wind blowing from the west
Derived Forms
westerliness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for westerlies
n.

prevailing winds in certain latitudes, 1876, from westerly (see west).

westerly

adv.

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
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westerlies in Science
westerly
  (wěs'tər-lē)   
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
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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westerlies in Culture

westerly definition


See prevailing westerlies.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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