cos

¹ American  

[kos, kaws] / kɒs, kɔs /

noun

1. romaine.

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cos ² American  

abbreviation

1. Trigonometry, Mathematics. cosine.

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cos. ³ American  

abbreviation

1. companies.

2. consul.

3. consulship.

4. counties.

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C.O.S. ⁴ American  

Or c.o.s.

abbreviation

1. cash on shipment.

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COS ¹ British  

abbreviation

1. Chief of Staff

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cos ² British  

/ kɒs /

noun

1. Usual US and Canadian name: romaine.  a variety of lettuce with a long slender head and crisp leaves Compare cabbage lettuce

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Cos ³ British  

/ kɒs /

noun

1. a variant spelling of Kos

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cos ⁴ British  

/ kɒz /

abbreviation

1. cosine

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cos Scientific  

1. Abbreviation of cosine

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Etymology

Origin of cos

1690–1700; after Kos, where it originated

Example Sentences

But the item likely to make the biggest splash with fans is the “C.O.S.” - the Closed On Sunday chicken sandwich.

From Washington Times

But the item likely to make the biggest splash with fans is the “C.O.S.” — the Closed On Sunday chicken sandwich.

From Seattle Times

Oddly enough she was actually employed in the C.O.S.

From Project Gutenberg

Thereupon I wrote a further letter to the C.O.S., asking that they would be prepared for a marriage ceremony about which there should, this time, be no mistake.

From Project Gutenberg

"Thank God," he said to himself, "that, unlike many of her friends, she has nothing to do with the C.O.S.!"

From Project Gutenberg