cantharus /kanˈthə-rəs/

1. A large two-handled drinking cup
2. A laver in the atrium at the front of ancient churches

• origination
• originations
• originative
• originator
• originators
• origins
• orillion
• orillions
• Orimulsion
• O-ring
• oriole
• orioles
• Oriolidae
• Orion
• Orion's belt
• orisha
• orishas
• orison
• orisons
• Oriya
• orle
• Orleanism
• Orleanist
• orleans
• orleanses