panopticon /pan-opˈti-kon/

1. A prison in which all prisoners can be watched from one point
2. An exhibition room

• spur-ryal
• spurs
• spurt
• spurted
• spurting
• spurtle
• spurtle-blade
• spurtles
• spurts
• spur valerian
• spurway
• spurways
• spur-whang
• spur-whangs
• spur wheel
• spur-winged
• sputa
• sputnik
• sputniks
• sputter
• sputtered
• sputterer
• sputterers
• sputtering
• sputteringly