posterior (
http://definr.com/posterior)
adj : (zoology) at or near the hind end in quadrupeds or toward
the spine in primates [ant:
anterior]
n 1: the fleshy part of the human body that you sit on [syn:
buttocks,
nates,
arse,
butt,
backside,
bum,
buns,
can,
fundament,
hindquarters,
hind end,
keister,
prat,
rear,
rear end,
rump,
stern,
seat,
tail, {tail
end},
tooshie,
tush,
bottom,
behind,
derriere,
fanny,
ass]
2: a tooth situated at the back of the mouth [syn:
back tooth]