1. (

• buttocks ,
• nates ,
• arse ,
• butt ,
• backside ,
• bum ,
• buns ,
• can ,
• fundament ,
• hindquarters ,
• hind_end ,
• keister ,
• posterior ,
• prat ,
• rear ,
• rear_end ,
• rump ,
• stern ,
• seat ,
• tail ,
• tail_end ,
• tooshie ,
• tush ,
• bottom ,
• behind ,
• derriere ,
• fanny ,
• ass

) the fleshy part of the human body that you sit on; "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?" ;

2. (

• back_tooth ,
• posterior ,

) a tooth situated at the back of the mouth ;

1. (

• posterior

) located at or near or behind a part or near the end of a structure ;

2. (

• later ,
• ulterior ,
• posterior

) coming at a subsequent time or stage; "without ulterior argument"; "the mood posterior to" ;