שָׂרַף III, Pi. שֵׂירֵף (denom. of שְׂרָף) to cover with resin. Tosef. Mikv. VI (VII), 21 שֵׂירְפָהּ בשרף (not שו׳; Var. סֵירְפָהּ) if he covered it (the handle of a saw) with resin.