Foin v. i. To thrust with a sword or spear; to lunge. (Obs.) " He stroke, he soused, he foynd, he hewed, he lashed.""They lash, they foin, they pass, they strive to bore Their corselets, and the thinnest parts explore."
... "Foin de ton zele seraphique, Malheureux Abbe de Tencin, Depuis que Law est Catholique, Tout ... — Memoirs of Extraordinary Popular Delusions and the Madness of Crowds • Charles Mackay