gyrus

[ jahy-ruhs ]

/ ˈdʒaɪ rəs /

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noun, plural gy·ri

[jahy-rahy]. /ˈdʒaɪ raɪ/. Anatomy.

a convolution, especially of the brain.

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Origin of gyrus

1835–45; <Latin gȳrus;see gyre

OTHER WORDS FROM gyrus

sub·gy·rus, noun, plural sub·gy·ri.

Words nearby gyrus

gyrostabilizer, gyrostat, gyrostatic, gyrostatics, gyrovague, gyrus, GySgt, gyttja, Gyumri, gyve, h

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use gyrus in a sentence

Latin, gyrus, the ring in which colts are driven round by horse-breakers.
Elements of Morals|Paul Janet
The calcarine fissure passed completely across the gyrus frontitatus on both sides in two cases, on one side in four cases.
Degeneracy|Eugene S. Talbot
This condition is asserted by many physicians to be referable to destruction of part of the angular gyrus.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4|Various
Electric stimuli applied to a part of the uppermost temporal gyrus excites movements of the ears and eyes in the dog.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4|Various

This region of the cortex occupies in the Primates, including Man, the pre-central gyrus.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4|Various

British Dictionary definitions for gyrus

gyrus

/ (ˈdʒaɪrəs) /

noun plural gyri (ˈdʒaɪraɪ)

another name for convolution (def. 3)

Word Origin for gyrus

C19: from Latin; see gyre

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

Scientific definitions for gyrus

gyrus

[ jī′rəs ]

Plural gyri

A rounded ridge, as on the surfaces of the cerebral hemispheres.