Definition of "C"

C¹

/siː/

letter
upper case, lower case c, plural Cs or C's
1. The third letter of the English alphabet, called cee and written in the Latin script.
  Quotations
  Boxer could not get beyond the letter D. He would trace out A, B, C, D, in the dust with his great hoof […]
  1945 August 17, George Orwell [pseudonym; Eric Arthur Blair], chapter 3, in Animal Farm […], London: Secker & Warburg
number
upper case, lower case c
1. The ordinal number third, derived from this letter of the English alphabet, called cee and written in the Latin script.
symbol
1. A standard size of dry cell battery between A and D.
noun
plural Cs
1. (slang) $100; a c-note.
  Quotations
  I keep on fairbanking the chump until he is between a poop and a sweat. The score is half a C and he's broke.
  1935, Henry Louis Mencken, George Jean Nathan, The American Mercury, volume 35, page 227
2. (music) The first note in the C chromatic and major scales.
3. (education) An academic grade better than a D and worse than a B.
  Quotations
  Dr. Cohen himself got a C in his first formal course in geography, during a summer program at Harvard after he graduated from high school. But he went on to earn three degrees and become the executive director of the Association of American Geographers and a leading expert in political and human geography — a specialty field that explores the impact of natural and arbitrary borders, territory, resources and populations on a nation’s cultural, social and economic development, as well as its relations with other countries.
  2021 June 18, Sam Roberts, “Saul B. Cohen, Who Helped Raise CUNY Standards, Dies at 95”, in The New York Times‎, archived from the original on 18 June 2021‎
4. (Unicode) Canonical Decomposition, followed by Canonical Composition
5. (slang) Cocaine.
  Quotations
  Where did you secure the C? My own supply is utterly depleted.
  1945, William Burroughs, letter, 24 Jul 1945
6. (vulgar, slang) Cunt
  Quotations
  He turned me on my stomach & slowly gently put his cock in my ass. I was so happy! But I was having a hard time completely relaxing & so he withdrew & went in my C.
  1977-1980, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure
7. Abbreviation of consonant.
8. (UK politics, in election results) Conservative

C²

proper noun
1. (programming) A particular high-level programming language from which many others are derived.
  Quotations
  The PDP-11, from the Digital Equipment Corporation, was a coveted machine. It was the original computer to run a new programming language called C, which was on its way to becoming the hackers' standard. Gregory, as it happened, didn't have any spare PDP-11s at his disposal. But the repairman took the opportunity to question some of Nelson's blithe predictions in Computer Lib, and Nelson, in response, unleashed his glib and bitter tirade against the conservative ignoramuses in the computer business.
  1995, Gary Wolf, "The Curse of Xanadu", Wired Magazine
2. (Britain) Head of the Secret Intelligence Service (MI6).
3. (stock ticker symbol) Symbol for the company Citigroup Inc on the NYSE

C³

verb
1. (Internet slang, text messaging) Abbreviation of see; also c.
  Quotations
  Sure, we may use cellphones and e-mail hundreds of times a week, but we say very little. […] Most of our talk, even in privileged IM circles, is no deeper than the words we exchange with the pizza guy. […] U C wt I mn?
  2008 January–February, Chris Rodell, “Small talk, big results”, in Men's Health, volume 23, number 1, page 80

Definition of "C"

C1

letter

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number

symbol

noun

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C2

proper noun

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C3

verb

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C¹

C²

C³