/ Dictionary / Index A Arnhem Land: Meaning and Definition of Find definitions for: Arn'hem Land" Pronunciation: (är'num), [key] a region in N Northern Territory, Australia: site of Aborigine reservation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arnhem arnica Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language