keister /kēˈstər/ (US sl)

1. The buttocks, arse
2. A safe or strong-box
3. A case or box

• tinderboxes
• tinder-like
• tinders
• tindery
• tinding
• tinds
• tine
• tinea
• tineal
• tinea pedis
• tineas
• tined
• tineid
• Tineidae
• tineids
• tines
• tin fish
• tin fishes
• tinfoil
• tinfoils
• tinful
• tinfuls
• ting
• ting-a-ling
• tinge