a person who looks on or watches; onlooker; observer.
2.
a person who is present at and views a spectacle, display, or the like; member of an audience.
3.
Also called spectator shoe.a white shoe with a perforated wing tip and back trim, traditionally of dark brown, dark blue, or black but sometimes of a lighter color.
Origin: 1580–90; < Latinspectātor, equivalent to spectā(re), frequentative of specere to look, regard + -tor-tor
1586, from L. spectator "viewer, watcher," from pp. stem of spectare "to view, watch" (see spectacle). Spectate (v.) is a back-formation attested from 1929. Spectator sport is attested from 1943.