† exˈterge,v.Obs. [f. L. extergē̆re. f.ex- out + tergē̆re to wipe off.] trans. To wipe out, cleanse. In quots.absol. 1657Tomlinson Renou's Disp. 38 It [sour sapour] corrodes, bites..and exterges.1684tr.Bonet's Merc. Compit. xviii. 666 Manna..and things that exterge without biting.