דִּיאֲתִיקִי, (διαθήκη) a disposition of property, esp. by will and testament; covenant, contract, v. Y. Peah III, 17ᵈ bot. for difference between ד׳ a. מתנה.—Targ. Y. Gen. XXIV, 10 ד׳ דריבונא Ar. (ed. שפר אפותיקי); Gen. R. s. 59, end (ref. to Gen. l. c.) זו ד׳ this means (his master’s) will (in favor of Isaac).—Y. Ber. V, 9ᵇ top בד׳ נתתיו לו וכ׳ have I given it to him as a bequest (which may be cancelled)? I have given it to him as a donation. Y. B. Bath. VIII, 16ᵇ bot. ויחזור בדְיָיתִיקָתוֹ he may change his will. Ib.; Bab. B. Bath. 152ᵇ ד׳ מבטלת ד׳ the later will cancels the prior. Y. B. Mets. I, end, 8ᵃ אין … לפגם דייתיקין וכ׳ nobody is likely to make a defective will (by anticipating in it the receipt of a debt before it has been collected).—Pl. דְּיָיתִיקָאוֹת. B. Mets. 19ᵃ. Tosef. B. Bath. XI, 6; a. e.