cos

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Related to cos lettuces: butterhead lettuce

Cos

 (kŏs, kôs)
See Kos.

cos 1

 (kôs, kŏs)
n.

[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) or

cos 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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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 headcos - lettuce with long dark-green leaves in a loosely packed elongated head
lettuce - leaves of any of various plants of Lactuca sativa
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

cos

1 [kɒs] N (Brit) (also cos lettuce) → lechuga f romana
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

cos

1 abbr of cosinecos

cos

2
n (also cos lettuce)Romagnasalat m, → römischer Salat m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
200g anchovies 500ml mayonnaise 8 slices white bread 2 cos lettuces 1 pre-cooked smoked chicken
2 large Cos lettuces, or similar (Little Gems work well)
Rather guiltily, we head off to the New England Aquarium (pounds 9) and a four- storey 200,000-gallon tank where we discover the resident 500lb sea turtle is partial to cos lettuces. Even more mesmerising are the leafy and weedy sea dragons, leaving you puzzling about the animal or vegetable debate.