GYRUS
Meaning of GYRUS in English
/juy"reuhs/ , n. , pl. gyri /juy"ruy/ . Anat.
a convolution, esp. of the brain.
[ 1835-45; gyrus; see GYRE ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012