/ Dictionary / Index A auk: Meaning and Definition of Find definitions for: auk Pronunciation: (ôk), [key] — n. any of several usually black-and-white diving birds of the family Alcidae, of northern seas, having webbed feet and small wings. Cf. great auk, razor-billed auk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: auk (Thesaurus) au jus auklet Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language