/ Dictionary / Index H Hellas: Meaning and Definition of Find definitions for: Hel•las Pronunciation: (hel'us), [key] — n. ancient Greek name of Hel•las Pronunciation: (hel'us), [key] — n. an area in the southern hemisphere of Mars, appearing as a light region when viewed telescopically from the earth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Helladic hellbender Related Content Daily Word Quiz: abyss Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language