/ Dictionary / Index A avigation: Meaning and Definition of Find definitions for: av•i•ga•tion Pronunciation: (av"i-gā'shun), [key] — n. aerial navigation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. avifauna Avignon Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language