[ 'kɒmɪsjʊə ]
■ noun Anatomy
1》 the joint between two bones.
2》 a band of nerve tissue connecting the hemispheres of the brain, the two sides of the spinal cord, etc.
3》 the line where the upper and lower lips or eyelids meet.
Derivatives
commissural ˌkɒmɪ'sjʊər(ə)l adjective
Origin
ME: from L. commissura 'junction', from committere (see commit ).