[ uh, oh ]
/ ə, oʊ /
an abbreviated form of of, as in o'clock or will-o'-the-wisp.
an abbreviated form of on.
Words nearby o'
Origin of o'
Middle English; by shortening.
Definition for o' (2 of 2)
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'
/ (ə) /
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