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cos

1 American  
[kos, kaws] / kɒs, kɔs /

noun

  1. romaine.


cos 2 American  

abbreviation

  1. Trigonometry, Mathematics. cosine.


cos. 3 American  

abbreviation

  1. companies.

  2. consul.

  3. consulship.

  4. counties.


C.O.S. 4 American  
Or c.o.s.

abbreviation

  1. cash on shipment.


cos 1 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

"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

cos 2 British  
/ kɒz /

abbreviation

  1. cosine

"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

COS 3 British  

abbreviation

  1. 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

Cos 4 British  
/ kɒs /

noun

  1. a variant spelling of Kos

"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

cos Scientific  
  1. Abbreviation of cosine


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.

"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

"The only flowers anyone saw in Aston were the ones you threw in the hole after you when you croaked it at the age of 53 'cos you'd worked yourself to death."

From BBC

"This bat comes on. I thought it was one of them Hallowe'en joke bats 'cos it had some string around its neck," he said.

From BBC

"I was really surprised, 'cos we did have a good turnout, but let's just say the energy levels weren't what we're used to."

From BBC

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