commissure /komˈi-sūr/

1. A joint
2. A joining surface
3. A bundle of nerve fibres connecting two nerve centres, eg those crossing the midline of the central nervous system

commissūˈral adjective

• rarebits
• rare earth
• rare-earth element
• rare earths
• raree-show
• raree-shows
• rarefaction
• rarefactions
• rarefactive
• rarefiable
• rarefied
• rarefies
• rarefy
• rarefying
• rare gas
• rare groove
• rarely
• rareness
• rarenesses
• rarer
• rare-ripe
• rarest
• raring
• rarities
• rarity