hindbrain

hind·brain

noun \ˈhīn(d)-ˌbrān\

Definition of HINDBRAIN

: the posterior division of the three primary divisions of the developing vertebrate brain or the corresponding part of the adult brain that includes the cerebellum, pons, and medulla oblongata and that controls the autonomic functions and equilibrium—called also rhombencephalon; see metencephalon, myelencephalon