cos
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Cos
(kŏs, kôs) See Kos.
cos 1
(kôs, kŏs)n.
See romaine.
[After Cos (Kos).]
cos 2
abbr.
cosine
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.
cos
(kɒs) orcos lettuce
n
(Plants) a variety of lettuce with a long slender head and crisp leaves. Usual US and Canadian name: romaine Compare cabbage lettuce
[C17: named after Kos, the Aegean island of its origin]
cos
(kɒz)abbreviation for
(Mathematics) cosine
Cos
(kɒs)n
(Placename) a variant spelling of Kos
COS
abbreviation for
(Military) Chief of Staff
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cos
(kɒs, kɔs)n.
[1690–1700; after Kos, where it originated]
cos
cosine.
Cos
(kɒs, kɔs)n.
cos.
1. companies.
2. counties.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
cos
Abbreviation of cosine
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.
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| Noun | 1. | cos - ratio of the adjacent side to the hypotenuse of a right-angled triangle circular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle |
| 2. |  cos - lettuce with long dark-green leaves in a loosely packed elongated headlettuce - leaves of any of various plants of Lactuca sativa |
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Translations
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