a rope, chain, rod, etc used to secure attached to something (e.g. a tent or the boom of a yacht) as a brace or guide [prob from Dutch gei brail]
informal a person, esp a man(often Guy) a humorous effigy of a man burned in Britain on Guy Fawkes Nightchiefly Brit, dated, informal a person whose appearance is grotesque or ridiculous The lady from the provinces who dresses like a guy and who doesn't think she dances but would rather like to try — W S Gilbert [named after Guy Fawkes d.1606, English conspirator: see Guy Fawkes Night]