/friz"bee/ , Trademark.
a brand of plastic concave disk, used for various catching games by sailing it between two or more players and thrown by making it spin as it is released with a flick of the wrist.
[ trademark resp. of frisbie, from the Frisbie Pie Company of Bridgeport, Connecticut; throwable metal pie tins such as those produced by the company are alleged to have been the inspiration for the plastic disk ]