/ Dictionary / Index A Axel Heiberg: Meaning and Definition of Find definitions for: Ax•el Hei•berg Pronunciation: (ak'sul hī'bûrg), [key] the largest island belonging to the Sverdrup group in the Canadian Northwest Territories. 15,779 sq. mi. (40,868 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. axel Axelrod 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