hippocampus
noun /ˌhɪpəˈkæmpəs/
/ˌhɪpəˈkæmpəs/
(plural hippocampi
(anatomy) /ˌhɪpəˈkæmpaɪ/, /ˌhɪpəˈkæmpi/
/ˌhɪpəˈkæmpaɪ/, /ˌhɪpəˈkæmpi/
)- either of the two areas of the brain thought to be the centre of emotion and memoryWord Originlate 16th cent.: via Latin from Greek hippokampos, from hippos ‘horse’ + kampos ‘sea monster’.