אוֹת II c. (b. h.; v. אוי, 1) mark, sign, emblem; test, signal, military ensign. Ḥag. 16ᵃ (play on ואתה Deut. XXXIII, 2; cmp. foreg.) אות הוא וכ׳ He is the ensign among his myriad; v. דּוּגְמָא. M. Kat. 25ᵇ אל תזניחנו בא׳ וכ׳ forsake us not in the symbolic trial of bitter waters (in our trials). Pl. אוֹתוֹת. Kil. IX, 10 א׳ הגרדין וכ׳ the marks which the weavers &c. put on goods in their charge. B. Kam. 119ᵇ you must not buy from the dyer לא א׳ ולא דוגמות either tests (pieces cut off to test the color) or samples (as specimens of color). —2) letter, writing, symbol. B. Bath. 15ᵃ אות אחת one letter. Sabb. 103ᵃ; a. fr.—Pl. אוֹתִיּוֹת (fr. אוֹתוּת or אוֹתִית). Kidd. 30ᵃ סופרים כל הא׳ recorded (or counted) all the letters of the Torah. Snh. X, 1 השם באוֹתִיוֹתָיו the Divine Name with the letters in which it is written (Jehovah). Kidd. 71ᵃ שם בן ארבע א׳ the quadriliteral Name; cmp. שֵׁם.—Lev. R. s. 26, beg. ח׳ א׳ eight letters. Sabb. XII, 3; a. fr.—Trnsf. notes, documents. Tosef. Kidd. I, 7; B. Bath. 75ᵇ; a. e.