Pronunciation: (hip"u-kam'pus), [key]
—pl. -piPronunciation: (-pī, -pē). [key]
1. Class. Myth.a sea horse with two forefeet, and a body ending in the tail of a dolphin or fish.
2. Anat.an enfolding of cerebral cortex into the lateral fissure of a cerebral hemisphere, having the shape in cross section of a sea horse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.