What's the noun for cerebellums? Here's the word you're looking for.
cerebellum
(neuroanatomy) Part of the hindbrain in vertebrates. In humans it lies between the brainstem and the cerebrum. It plays an important role in sensory perception, motor output, balance and posture.
“The cerebel lum and the limbic system were found to be abnormal with respect to normal brains.”
“CereBel is a New York based entertainment holding company that creates and publishes online games, historical novelties, and fund raising collectibles.”
“Prodigy, a leading provider of on-line services, Cerebel Internet Arts, Inc.”
“It was Professor Carrick Martin, a Canadian doctor at the clinic, who informed Miss Moth that she was suffering from a progressive cerebella condition for which there was no effective treatment, the inquest heard.”
“The second study focused on this response following injection of estradiol and bisphenol A, alone and in combination, into rat cerebella.”
“He started with mice, deleting tuberous sclerosis genes in their cerebellums.”
“And here's the evidence that the world isn't yet safe from murderous parkour champions with nothing but a determination to maintain American state secrets in their blank cerebellums.”
“With luck the new movie, out in August, might act as something of a hangover cure for those still suffering from battered cerebellums after sitting through two and a half hours of Batman v Superman.”