/ Dictionary / Index H hippocampal: Meaning and Definition of Find definitions for: hip•po•cam•pal Pronunciation: (hip"u-kam'pul), [key] — adj. Anat. of or pertaining to the hippocampus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hippo hippocampal gyrus Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language