cos
noun
cos
1 American
[kos, kaws]
/ kɒs, kɔs /
noun
cos
2
American
abbreviation
cos.
3
American
abbreviation
-
companies.
-
consul.
-
consulship.
-
counties.
C.O.S.
4
American
Or
c.o.s.
abbreviation
Cos
1
British
/ kɒs /
noun
cos
2
British
/ kɒs /
noun
cos
3
British
/ kɒz /
abbreviation
COS
4
British
abbreviation
cos
Scientific
Etymology
Origin of cos
1690–1700; after Kos, where it originated
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
"I just started stuffing cheese in my mouth cos I can't stop grinning. Isn't it funny? I was so nervous when Claudia squeezed my shoulder blade, and now I just love being a traitor."
From BBC ● Oct. 22, 2025
He said he was with Annie when she died, a moment referenced in the song with the line: "I stayed all night till you left this life cos that's just love."
From BBC ● Nov. 19, 2024
In brief, the TerS subunit initiates packaging when it encounters a specific site called cos in the genome.
From Science Daily ● Nov. 21, 2023
In this equation, N = 1 and the flux Φ = BA cos θ .
From Textbooks ● Aug. 12, 2015
“Dad was dead chuffed . . . thought I migh’ not be a wizard, see, cos me mum . . . well, anyway.
From "Harry Potter And The Goblet Of Fire" by J. K. Rowling
Bro cos. become corporate frat houses, where employees are chosen like pledges, based on “culture fit.”
From New York Times ● Apr. 1, 2017
Caps. are directed to examine the arms of their cos. immediately.
From The Campaign of 1776 around New York and Brooklyn by Henry P. Johnston
Eur. denotes that the Australian bird is closely similar in form, habits, &c., to the corresponding European bird. =vt. cos. denotes that it is the equivalent or representative of a cosmopolitan group of birds.
From An Australian Bird Book A Pocket Book for Field Use by John Albert Leach
Varnum's Regt. is to take fort Box & the Oblong redoubt for their alarm posts, fort Box 6 cos., oblong redoubt 2 cos.
From The Campaign of 1776 around New York and Brooklyn by Henry P. Johnston
A., T., N.Z. =vt. cos. bird. c. lagoons, bays 60 White; wings, tail black; bill pink, pouch yellowish; f., sim.
From An Australian Bird Book A Pocket Book for Field Use by John Albert Leach
Of course, to give pennies in the street is much less trouble than to run the C.O.S.
From The Human Machine by Arnold Bennett
And this time C.O.S. did not even "remain" in the plural.
From Punch, or the London Charivari, Volume 159, August 25th, 1920 by Various
I do not expect the schoolmaster to hate hospitals and C.O.S. centers so much as the schoolboy's father; but does he hate them at all?
From What's Wrong with the World by G. K. (Gilbert Keith) Chesterton
Mrs. Gustus has a very high mind; she and the C.O.S. are dreadfully grown-up institutions, I think; they forget what it feels like to have a good rampageous kick against the pricks.
From This Is the End by Stella Benson
"Thank God," he said to himself, "that, unlike many of her friends, she has nothing to do with the C.O.S.!"
From Jane Oglander by Marie Belloc Lowndes
That would suggest short positions in the likes of Williams Cos.
From MarketWatch ● Sep. 3, 2026
Among future contenders for the ECB presidency is ex-Bank of Spain governor Pablo Hernández de Cos and ex-Netherlands central bank chief Klaas Knot, current Bundesbank head Joachim Nagel and ECB board member Isabel Schnabel.
From MarketWatch ● Feb. 18, 2026
“I needed to know specific details about proper hot-pepper husbandry,” says Caruso, who lives in Cos Cob, Conn. “She would come back with everything I needed.”
From The Wall Street Journal ● Feb. 5, 2026
“They’re fearful of what policies might come down later,” said Goldstein, a co-founder of GPI Cos.
From Los Angeles Times ● Oct. 1, 2025
Cos x = 1 when x = 0, so the whole expression equals 1/1 = 1.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
Reselling items, including at Sellpy and at its other brands such as COS, made up about 0.8% of H&M’s overall sales revenue in 2025, the company said.
From The Wall Street Journal ● Aug. 3, 2026
Olga Mosso of Germany recalled visiting a restaurant in Sicily where the owner warned her that the COS was a very different sort of wine that some people found odd.
From New York Times ● Jan. 20, 2022
But she had some success with fashion retailer COS.
From BBC ● Oct. 4, 2021
The post continues to explain that the COS recognizes that the "public is concerned about these incidents" and that the organization is also concerned about coyote behavior in the area.
From Fox News ● Aug. 12, 2021
It is easily soluble in solutions of the caustic alkalis, provided they are not too concentrated, forming solutions of alkaline carbonates and sulphides, COS + 4KHO = K2CO3 + K2S + 2H2O.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various
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