Gradin \Gra"din\, Gradine \Gra*dine"\,n. [F. gradin, dim. of grade. See {Grade}.] (Arch.) Any member like a step, as the raised back of an altar or the like; a set raised over another. ``The gradines of the amphitheeater.'' --Layard. Gradine \Gra*dine"\, n. [F. gradine.] A toothed chised by sculptors.