Someone who observes or beholds; an observer or spectator.
A fictional monster in roleplaying games, a floating orb of flesh with a large mouth and many eyes on stalks.
Someone who views a spectacle; an onlooker or spectator.
The manager of a colliery, who directs its workings and ventilation.
Someone who watches television.
Any optical device used to view photographic slides.
A program that displays the contents of a file.