Any projection that resembles the tail of an animal
Tail
Projection
The fleshy part of the human body that you sit on
Arse
Ass
Backside
Behind
Bottom
Bum
Buns
Butt
Buttocks
Can
Derriere
Fanny
Fundament
Hind end
Hindquarters
Keister
Nates
Posterior
Prat
Rear
Rear end
Rump
Seat
Stern
Tooshie
Tush
Body part
Torso
Trunk
Body
The time of the last part of something
Fag end
Ending
End