Quiet (3)
'quiet' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for mum that I've seen before include "Keep quiet, mother" , "Keep it secret from mother?" , "old lady" , "Quiet; relative" , "Parent - shtoom" .)
'quiet' is the definition.
(I know that quiet can be written as silence)
This is the entire clue.
(Other definitions for silence that I've seen before include "Quiet" , "It is said to be golden" , "Gag" , "Secrecy; stillness" , "Quietness" .)