/ Dictionary / Index H hibernal: Meaning and Definition of Find definitions for: hi•ber•nal Pronunciation: (hī-bûr'nl), [key] — adj. of or pertaining to winter; wintry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hibernal (Thesaurus) hibernaculum hibernate Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language