— commissural /keuh mish"euhr euhl, kom'euh shoor"euhl, -sherr"-/ , adj.
/kom"euh shoor', -sherr'/ , n.
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.
[ 1375-1425; late ME ( commissura, equiv. to commiss ( us ) (see COMMISSARY) + -ura -URE ]