safeguardn.[Safe = guard: cf. F. sauvegarde.]1. One who, or that which, defends or protects; defense; protection.(Shak.)Thy sword, the safeguard of thy brother's throne. (Granville.)2. A convoy or guard to protect a traveler or property.()3. A pass; a passport; a safe-conduct.(Shak.)v. t. To guard; to protect.(Shak.)