Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation close-up
  • abbreviation see you (used especially in text messages)

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The ISO 3166-1 two-letter (alpha-2) code for Cuba.
  • initialism Credit Union
  • initialism Christian Union (bodies of Christian students in UK schools, colleges and universities)
  • initialism philately in stamp descriptions, Commercially Used.
  • initialism Internet slang phonetic abbreviation of see you.
  • initialism Short for cubic in a variety of English customary units (examples: cubic inch, cubic foot).
  • initialism Control Unit
  • initialism Chittagong University

Etymologies

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