oubliette /oo-bli-etˈ/

1. A dungeon with no opening except in the roof
2. A secret pit in the floor of a dungeon into which a victim could be precipitated

• oscula
• osculant
• oscular
• osculate
• osculated
• osculates
• osculating
• osculating orbit
• osculating orbits
• osculation
• osculations
• osculatories
• osculatory
• oscule
• oscules
• osculum
• -ose
• oseltamivir
• oseltamivirs
• OSF
• OSHA
• oshac
• oshacs
• osier
• osier-bed