Rear end
'rear end' is the definition.
(synonyms)
This is all the clue.
(Other definitions for stern that I've seen before include "Unyielding part of the ship" , "Inflexible; back" , "Grim; severe" , "Rents out at rear of boat" , "having a forbidding appearance" .)
'rear end' is the definition.
(I know that rear end can be written as rump)
This is all the clue.
(Other definitions for rump that I've seen before include "Rear; buttocks" , "Bottom - cut of steak" , "Unimportant remnant" , "Meat (from behind?)" , "Seat" .)