Definition of limbic system noun from the Oxford Advanced Learner's Dictionary

 

limbic system

 noun
noun
BrE BrE//ˈlɪmbɪk sɪstəm//
 
; NAmE NAmE//ˈlɪmbɪk sɪstəm//
 
(biology)
 
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a system of nerves in the brain involving several different areas, concerned with basic emotions such as fear and anger and basic needs such as the need to eat and to have sex Word Origin late 19th cent.: limbic from French limbique, from Latin limbus ‘edge’.
See the Oxford Advanced American Dictionary entry: limbic system