row·en I. \ˈrau̇ə̇n\noun (-s) Etymology: Middle English rewayn, roweyn, from (assumed) Old North French rewain whence Picard rouain); akin to Old French regaïn aftermath, from re- + gaaigner to till — more at gain 1.: a stubble field left unplowed till late in the autumn to be grazed by cattle 2.: aftermath 1 — often used in plural II. \ˈrəu̇ə̇n\ chiefly Scotland variant of rowan