/ Dictionary / Index G great auk: Meaning and Definition of Find definitions for: great' auk' Pronunciation: [key] a large, flightless auk, Pinguinus impennis, of rocky islands off North Atlantic coasts: extinct since 1844. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Great Attractor great-aunt Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language