looker in WordNet English dictionary

1. a very attractive or seductive looking woman
   smasher  stunner  knockout  beauty  ravisher  sweetheart  peach  lulu  looker  mantrap  dish 
   
2. a close observer; someone who looks at something (such as an exhibition of some kind)
   "the spectators applauded the performance"; "television viewers"; "sky watchers discovered a new star"
   spectator  witness  viewer  watcher  looker