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cerebellum

American  
[ser-uh-bel-uhm] / ˌsɛr əˈbɛl əm /

noun

Anatomy, Zoology.
cerebellums, plural cerebella plural
  1. a large portion of the brain, serving to coordinate voluntary movements, posture, and balance in humans, being in back of and below the cerebrum and consisting of two lateral lobes and a central lobe.


cerebellum British  
/ ˌsɛrɪˈbɛləm /

noun

  1. one of the major divisions of the vertebrate brain, situated in man above the medulla oblongata and beneath the cerebrum, whose function is coordination of voluntary movements and maintenance of bodily equilibrium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

cerebellum Scientific  
/ sĕr′ə-bĕləm /
cerebellums plural
  1. The part of the vertebrate brain that is located below the cerebrum at the rear of the skull and that coordinates balance and muscle activity. In mammals, the cerebellum is made up of two connecting hemispheres that consist of a core of white matter surrounded by gray matter.


cerebellum Cultural  
  1. The part of the brain that helps control muscle coordination.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of cerebellum

1555–65; < Latin: brain, diminutive of cerebrum; see cerebrum; for formation, see castellum

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Explanation

If you’re a professional juggler, you can thank your cerebellum for your great coordination. The cerebellum is the part of your brain that handles motor control. The word cerebellum entered English in the 16th century from the Latin word of the same name, meaning "little brain." The cerebellum is located at the base of the brain, near the back of your head. It looks like a separate structure stuck onto the rest of your brain — so in a sense, it’s like a “little brain.” In addition to motor control, the cerebellum is responsible for balance and muscle tone.

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Vocabulary lists containing cerebellum

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

They sit in the outer layer of the cerebellum, making them more accessible to researchers.

From Science Daily Jul. 1, 2026

The symptoms result from damage affecting the cerebellum and motor pathways within the central nervous system.

From Science Daily Jun. 13, 2026

Four years later, the researchers invited participants back for MRI scans that focused especially on the putamen and cerebellum.

From Science Daily Jun. 13, 2026

Her team applied the artificial signals to slices of mouse cerebellum.

From Science Daily Apr. 18, 2026

Inside the brain, you can see die different lobes of the cortex; the corpus callosum, which joins the two hemispheres; the cerebellum at the back of the head; and the brain stem.

From "Phineas Gage" by John Fleischman

A Heidelberg research team has now generated comprehensive genetic maps of the development of cells in the cerebella of human, mouse and opossum.

From Science Daily Nov. 29, 2023

Erasistratus and Herophilus explored the cerebella of fast-moving animals like deer and rabbits.

From New York Times Apr. 13, 2018

"I spent a lot of time looking at cerebellums," Huggins said.

From Science Daily Jan. 10, 2024

They discovered that these patients suffered immediate changes to the white matter in two areas of their brains: Their frontal lobes, which help manage thoughts, and in their cerebellums, which take charge of motor control.

From Salon Dec. 27, 2023

For those who grew up with the fiery bun-headed teenager in 1977’s Star Wars, her youthful image is burned so deeply into our cerebellums that we can recall her countenance in an instant.

From The Guardian Jan. 6, 2017

Given the terrifyingly coordinated movements that “fast zombies” exhibit, it is our belief that their cerebellums are likely intact.

From Slate Oct. 30, 2014

"Ah! my lord king, we should not cut off the nervous communication between our eyes, and our cerebellums."

From Mardi: and A Voyage Thither, Vol. II by Melville, Herman

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