o'

[ uh, oh ]
/ ə, oʊ /

preposition

an abbreviated form of of, as in o'clock or will-o'-the-wisp.
an abbreviated form of on.

Nearby words

  1. o grade,
  2. o horizon,
  3. o level,
  4. o star,
  5. o tempora! o mores!,
  6. o'-,
  7. o'boyle,
  8. o'brien,
  9. o'brien potatoes,
  10. o'brien, edna

Origin of o'

Middle English; by shortening.

O'

a prefix meaning “descendant,” in Irish family names: O'Brien; O'Connor.

Origin of O'

representing Irish ó descendant, Old Irish au

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for o'

o'

/ (ə) /

preposition

informal, or archaic shortened form of of a cup o' tea
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

Word Origin and History for o'

O'

as a prefix in Irish names, from Irish ó, ua (Old Irish au) "descendant."

Online Etymology Dictionary, © 2010 Douglas Harper