תּוֹסֶפֶת f. (יָסַף) 1) addition, increase. Gen. R. s. 22 (ref. to Gen. IV, 2) ת׳ ללינה ולא ת׳ לעיבור ‘she bore again’ means an additional birth, but not an additional pregnancy (Abel having been conceived simultaneously with Cain). Gen. R. s. 61 תּוֹסָפָתוֹ של הקב"ה מרובה וכ׳ what God adds is more than the original; קין עיקר … שהוא ת׳ וכ׳ Cain was the original, and Abel, because he was an addition …, was born himself and two twin sisters with him. Y. Ter. IV, 42ᵈ ת׳ תרומה an addition to the minimal quantity of T’rumah. Ib. bot. אין הפחת והת׳ שוין, v. פַּחַת. Y. Bicc. I, end, 64ᵇ ת׳ הביכורים the addition to the normal quantity of first fruits to be offered. Y. Keth. VI, 30ᵈ top ת׳ (sub. כתובה) the additional jointure beyond the legally prescribed sum; Bab. Keth. 90ᵃ. Y. Meg. I, 70ᵈ bot. אדר הראשון ת׳ וכ׳ is the first Adar the addition (the intercalated month), or is it the second Adar?; a. fr.—Esp. the time added to, and given the character of a festive day (v. Yoma 81ᵇ מוסיפין מחול וכ׳ you must begin the Holy Day some time before its lawful beginning and end some time after its lawful end). Yoma 81ᵃ על ת׳ מלאכה for disregarding the addition by doing a labor which is prohibited on the festive day; על ת׳ עינוי for disregarding the additional time for fasting (by eating); יהא מוזהר על ת׳ מלאכה that he be warned concerning the additional time during which he must abstain from labor; a. e.—2) Tosefeth (Tosefta), a collection of oral laws (Mishnahs) outside of the regular Mishnah. Y. Hor. III, end, 48ᶜ (ref. to Prov. XVI, 11) פלס … ליי׳ זה הת׳ ‘balance’, that is the Biblical text, ‘scales’, that is the Mishnah, ‘judgment’, that is the Talmud, ‘the Lord’s’, that is the Tosefeth. Ib. (ref. to Koh. VI, 2) עושר … וכבוד זה הת׳ ‘riches’, that is the Biblical text, ‘goods’, the halakhoth, and ‘glory’, the Tosefeth; Koh. R. to VI, 2 זה בעל תוספתא; Yalk. ib. 972 זה תוספתא. M. Kat. 3ᵇ; a. e.—Pl. תּוֹסָפוֹת. Cant. R. to VI, 9 ועלמות … אין קץ לת׳ ‘and handmaids without number (ib. 8)’, there is no end of Tosafoth. Y. Peah. II, 17ᵃ bot. אין למדין … ולא מן הת׳ וכ׳ we derive no practical decisions from the halakhoth …, or the Tosafoth, but only from the Talmud. Lev. R. s. 30 (ref. to Ps. XVI, 11) שבענו … ת׳ ואגדות we are satisfied with five joys, the Scripture, the Mishnah, the Talmud, the Toseftas, and the Agadoth. Koh. R. to V, 8 ת׳ של בית רבי the Tosafoth of the house of Rabbi; ת׳ של ר׳ נתן the T. of R. Nathan; a. e.—[In Talmudic literature: Tosafoth, annotations to the Talmud, mostly by French scholars, בַּעֲלֵי ת׳, Tosafists.]