cos
1[ kos, kaws ]
/ kɒs, kɔs /
Save This Word!
noun
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
Origin of cos
11690–1700; after Kos, where it originated
Words nearby cos
coryneform, coryphaeus, coryphée, coryphodon, coryza, cos, Cosa Nostra, COSAS, COSATU, Cosby, Cosby, Bill
Other definitions for cos (2 of 4)
Other definitions for cos (3 of 4)
cos.
abbreviation
companies.
consul.
consulship.
counties.
Other definitions for cos (4 of 4)
C.O.S.
or c.o.s.
abbreviation
cash on shipment.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use cos in a sentence
British Dictionary definitions for cos (1 of 4)
cos1
cos lettuce
/ (kɒs) /
noun
a variety of lettuce with a long slender head and crisp leavesUsual US and Canadian name: romaine Compare cabbage lettuce
Word Origin for cos
C17: named after Kos, the Aegean island of its origin
British Dictionary definitions for cos (2 of 4)
cos2
/ (kɒz) /
abbreviation for
cosine
British Dictionary definitions for cos (3 of 4)
British Dictionary definitions for cos (4 of 4)
COS
abbreviation for
Chief of Staff
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
Scientific definitions for cos
cos
Abbreviation of cosine
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.