commissure

 
Pronunciation: /ˈkɒmɪsjʊə/

noun

Anatomy
  • 1the joint between two bones.
  • 2a band of nerve tissue connecting the hemispheres of the brain, the two sides of the spinal cord, etc..
  • 3the line where the upper and lower lips or eyelids meet.

Derivatives

commissural

Pronunciation: /ˌkɒmɪˈsjʊər(ə)l/
adjective

Origin:

late Middle English: from Latin commissura 'junction', from committere 'join' (see commit)