Definition of hippocampus noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌhɪpəˈkæmpəs//
; NAmE NAmE//ˌhɪpəˈkæmpəs//
(pl. hippocampi
BrE BrE//ˌhɪpəˈkæmpaɪ//
; NAmE NAmE//ˌhɪpəˈkæmpaɪ//
; BrE BrE//ˌhɪpəˈkæmpi//
; NAmE NAmE//ˌhɪpəˈkæmpi//
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either of the two areas of the brain thought to be the centre of emotion and memory Word Originlate 16th cent.: via Latin from Greek hippokampos, from hippos ‘horse’ + kampos ‘sea monster’.
See the Oxford Advanced American Dictionary entry: hippocampus