a mythological sea creature with the forelegs of a horse and the tail of a fish
2.
any marine teleost fish of the genus Hippocampus, having a horselike head
seahorse (sense 1)
3.
an area of cerebral cortex that forms a ridge in the floor of the lateral ventricle of the brain, which in cross section has the shape of a sea horse. It functions as part of thelimbic system
Derived forms
hippocampal (ˌhippoˈcampal)
adjective
Word origin
C16: from Latin, from Greek hippos horse + kampos a sea monster
Examples of 'hippocampi' in a sentence
hippocampi
The ability to enter a role can again outlast the hippocampi.
Times, Sunday Times (2008)
I see quite a lot of people whose hippocampi have been destroyed, by disease or by accident.
Times, Sunday Times (2008)
So the sort of memory that is involved in acting involves much more of the brain than just the hippocampi.