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gyrus definition


This page has 5 definitions of gyrus in English and Latin. Gyrus is a noun. Also define these 14 related words and terms: anatomy, fold, ridge, cerebral cortex, brain, gyre, circle, circular, motion, circuit, course, ring, horse, and train.

English gyrus definition


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



gyrus (plural gyri or gyruses)

  1. (anatomy) A fold or ridge on the cerebral cortex of the brain.
    Synonym: (archaic) gyre
    • Ridge definition
      The back of any animal; especially the upper or projecting part of the back of a quadruped. (1 of 9 ridge definitions)
    • Cerebral Cortex definition
      The grey, folded, outermost layer of the cerebrum that is responsible for higher brain processes such as sensation, voluntary muscle movement, thought, reasoning, and memory.

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See also


Latin gyrus definition


From Ancient Greek γῦρος (gûros)



gȳrus m (genitive gȳrī); second declension

  1. circle
  2. a circular motion
  3. a circuit, course, ring
  4. (by extension) place where horses are trained
    • Train definition
      Elongated portion.
      1. The elongated back portion of a dress or skirt (or an ornamental piece of material added to similar effect), which drags along the ground. (1 of 19 train definitions)


Second-declension noun.

Case Singular Plural
Nominative gȳrus gȳrī
Genitive gȳrī gȳrōrum
Dative gȳrō gȳrīs
Accusative gȳrum gȳrōs
Ablative gȳrō gȳrīs
Vocative gȳre gȳrī

Derived terms

Related terms



  • gyrus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • gyrus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • gyrus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette