falchion /ˈfɔːl.(t)ʃən/noun 2verb 1forms 3 noun2 •[before a noun] A somewhat curved, single-edged medieval sword of European origin, with the cutting edge on its convex side, whose design is reminiscent of the Persian scimitar and the Chinese dao.I haue seene the day, with my good biting Faulchion — 1603 •(no longer used) A billhook. verb1 •(no longer used, rare) Attack with a falchion. formsfalchioned · falchioning · falchions