sanctum /sangkˈtəm/

1. (esp in the phrase inner sanctum) a sacred place
2. A (very) private room

sanctum sanctorum noun

1. The holy of holies, the inner chamber of the Jewish tabernacle
2. Any specially reserved retreat or room (informal)

• lappies
• lapping
• lappings
• Lappish
• lap-roller
• laps
• lapsable
• lapsang
• lapsangs
• lapsang souchong
• lapse
• lapsed
• lapse rate
• lapse rates
• lapses
• lapsing
• laps of honour
• lapstone
• lapstones
• lapstrake
• lapstreak
• lapstreaks
• lapsus
• lapsus calami
• lapsus linguae