Rear end (5)
'rear end' is the definition.
(synonyms)
This is the entire 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.
(synonyms)
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" .)