The hypothalamus is a part of the brain that links the nervous system to the glands in the body that produce hormones. It is involved in controlling emotions, hunger, thirst, and sleep.
[technical]
hypothalamus in British English
(ˌhaɪpəˈθæləməs)
nounWord forms: plural-mi (-ˌmaɪ)
a neural control centre at the base of the brain, concerned with hunger, thirst, satiety, and other autonomic functions