חֲלַף II, st. constr. (חלף) in place of, instead. Targ. Ex. XXI, 24; a. fr.—Sabb. 129ᵃ נפשא ח׳ נפשא life for life (meat is required after bloodletting), סומקא ח׳ סומקא red (wine) for red (blood).—Pl. חֲלָפֵי, with suffix חֲלָפוֹי in his place. Targ. Prov. XI, 8 Ms. (ed. תחותוהי, ed. Lag. both words).—חֲלַף סִדְרָא f. (an adaptation of κλεψύδρα) [change of order,] clepsydra, a water clock used in courts of justice for measuring the time given for argument. Gen. R. s. 49 (not סרדה); Yalk. ib. 83.