Pronunciation: (kon"vu-lOO'shun), [key]
1. a rolled up or coiled condition.
2. a rolling or coiling together.
3. a turn of anything coiled; whorl.
4. Anat.one of the sinuous folds or ridges of the surface of the brain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.