1. [ adjective ] (zoology) at or near the hind end in quadrupeds or toward the spine in primates
Related terms: anterior zoology back caudal retral back position
2. [ noun ] the fleshy part of the human body that you sit on
Synonyms: seat ass bottom rear_end tail behind buttocks stern hindquarters fundament hind_end keister bum backside prat rear buns tail_end tooshie tush rump can derriere fanny butt nates arse

"he deserves a good kick in the butt" "are you going to sit on your fanny and do nothing?"

Related terms: body_part torso
3. [ noun ] (anatomy,zoology,dentistry) a tooth situated at the back of the mouth
Synonyms: back_tooth
Related terms: tooth
Similar spelling:   posteriority