gyrus

[ jahy-ruh s ]
/ ˈdʒaɪ rəs /
|

noun, plural gy·ri [jahy-rahy] /ˈdʒaɪ raɪ/. Anatomy.

a convolution, especially of the brain.

Nearby words

  1. gyrostabilizer,
  2. gyrostat,
  3. gyrostatic,
  4. gyrostatics,
  5. gyrovague,
  6. gyrus fornicatus,
  7. gysgt,
  8. gyttja,
  9. gyula,
  10. gyumri

Origin of gyrus

1835–45; < Latin gȳrus; see gyre

Related formssub·gy·rus, noun, plural sub·gy·ri.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gyrus


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

Word Origin and History for gyrus

gyrus

n.

convolution between grooves, 1842, from Latin gyrus "circle, circuit, career," from Greek gyros "ring, circle" (see gyre).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for gyrus

gyrus

[ jīrəs ]

n. pl. gy•ri (-rī′)

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

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for gyrus

gyrus

[ jīrəs ]

Plural gyri

A rounded ridge, as on the surfaces of the cerebral hemispheres.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.