† forˈstop,v.Obs. [f. for- prefix1 + stop v.; =MDu.verstoppen.] trans. To stop; to stifle (breath); also, to dam up, in quot.fig. a1225Ancr. R. 72 Ȝe al þisses weis pundeð ower wordes, & forstoppeð ouwer þouhtes.13..Coer de L. 4843 The wynde..forstoppyd the Crystene onde.