What does "gyrus" mean?

A fold or ridge on the cerebral cortex of the brain.

What is a synonym for "gyrus"?

Common synonyms include: cerebellum, cerebral cortex, cerebrum, convolution, fissure, gray matter.

How do you pronounce "gyrus"?

Pronounced //ˈd͡ʒaɪɹəs//.

Gyrus

//ˈd͡ʒaɪɹəs// noun

noun ·Uncommon ·Advanced level

Definitions

Noun

1
A fold or ridge on the cerebral cortex of the brain.
"The sulci and gyri are the grooves and ridges, respectively."
2
a convex fold or elevation in the surface of the brain wordnet

Synonyms

All synonyms

cerebellum cerebral cortex cerebrum convolution fissure gray matter

Example

More examples

"They have achieved a first step toward that goal by decoding the electrical activity in a region of the brain, called the superior temporal gyrus, that’s stimulated by hearing."

Etymology

From Latin gȳrus (“circle”), from Ancient Greek γῦρος (gûros). Doublet of gyro and gyre.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.