A trial resulting in the rope (6)
I believe the answer is:
lariat
'the rope' is the definition.
(lariat is a kind of rope)
'a trial resulting in' is the wordplay.
'resulting in' is an anagram indicator.
'a'+'trial'='atrial'
'atrial' is an anagram of 'LARIAT'.
(Other definitions for lariat that I've seen before include "Rope for the cowboy" , "Cowcatcher" , "Line of cowboy" , "Long noosed rope for catching animals" , "Long noosed rope used to catch animals" .)