Spectators (8)
'spectators' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for audience that I've seen before include "which may be given an address" , "Spectators - interview" , "Assembled spectators or listeners" , "House" , "They observe" .)
'spectators' is the definition.
(I know this)
This is the entire clue.
(Another definition for watchers that I've seen is " spectators".)