הֶיסֵּט, (יָסַט or סוּט) skaking an object so as to move it from its place, differ. fr. רעדה vibration (v. Tosef. Zab. IV, 6), esp. hesset, one of the causes of levitical uncleanness. Toh. X, 1 אינן בקיאין בה׳ are not familiar with the laws of hesset. Meg. 8ᵇ מלטמא … בה׳ so as not to make earthen vessels unclean by shaking them; a. fr.—Pl. הֶיסֵּיטוֹת, הֶסֵּטוֹת laws concerning hesset. Y. Dem. II, 23ᵃ top. Y. Sot. V, 20ᵃ top.