Pronunciation: (kom'u-shoor", -shûr"), [key]
1. a joint; seam; suture.
2. Bot.the joint or face by which one carpel coheres with another.
3. Anat., Zool.a connecting band of nerve fiber, esp. one joining the right and left sides of the brain or spinal cord.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.