hippocampus

hip·po·cam·pus

noun \ˌhip-ə-ˈkam-pəs\

plural hip·po·cam·pi \-ˌpī, -(ˌ)pē\

Definition of HIPPOCAMPUS

: a curved elongated ridge that is an important part of the limbic system, extends over the floor of the descending horn of each lateral ventricle of the brain, consists of gray matter covered on the ventricular surface with white matter, and is involved in forming, storing, and processing memory—see pes hippocampi