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Word of the Day Tuesday, June 9, 2026

brainstem

/brɛnˈstɛm/ noun · British & US
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What does brainstem mean?

noun

The lower part of the brain, connecting the cerebrum with the spinal cord, and controlling many of the body's automatic functions, such as breathing and heart rate.

Example

"The brainstem regulates the body's autonomic functions, including heart rate and breathing."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for brainstem

Rhymes with brainstem

Etymologically related