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

• sapperment
• sappers
• Sapphic
• Sapphics
• sapphire
• sapphired
• sapphire-quartz
• sapphire-quartzes
• sapphires
• sapphire-wing
• sapphire-wings
• sapphirine
• sapphirines
• Sapphism
• Sapphisms
• sapphist
• sapphists
• sappier
• sappiest
• sappily
• sappiness
• sappinesses
• sapping
• sapple
• sappled