Breadcrumb Home > Dictionary > Index H helldiver: Meaning and Definition of Find definitions for: hell•div•er Pronunciation: (hel'dī"vur), [key] — n. a grebe, esp. the pied-billed grebe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hellcat hellebore ✖ Related Content Daily Word Quiz: acronym Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language