Definition of


  1. (adv, all) according to the clock

via WordNet, Princeton University

Origin of the word O'clock

  1. c.1720, abbreviation of of the clock, from M.E. of the clokke (1389). Attested from 1904 in ref. to direction (by shooters, fighter pilots, etc.). more

via Online Etymology Dictionary, ©2001 Douglas Harper

Words that sound like O'clock

ocellus, oculus, oxalis

via soundex() Hash Matches

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment

Australopithecus Robustus

large-toothed hominid of southern Africa; from 1.5 to 2 million years ago; formerly Paranthropus