Either way, a silencer (3)
I believe the answer is:
gag
I believe this is a double definition.
'either way' is the first definition.
'a silencer' is the second definition.
(I've seen this in another clue)
(Other definitions for gag that I've seen before include "Prevent free expression" , "Muzzle or silence" , "Joke or muffler - a palindrome" , "Humorous anecdote or remark" , "that renders one speechless" .)