/ Dictionary / Index A Arctogaea: Meaning and Definition of Find definitions for: Arc•to•gae•a Pronunciation: (ärk"tu-jē'u), [key] — n. a biogeographical division comprising the Holarctic and Paleotropical regions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arctic Zone arctophile 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