n. 1. One who looks. [ 1913 Webster ]
2. A person who is physically very attractive, especially a beautiful woman. [ PJC ]
Looker-on, a spectator; an onlooker; one that looks on, but has no agency or part in an affair. [ 1913 Webster ]
Did not this fatal war affront thy coast, Yet sattest thou an idle looker-on ? Fairfax. [ 1913 Webster ]