שִׁיעוּר, (שָׁעַר) proportion, standard, definite quantity or size, limit. Peah I, 1 אלו … שאין להם ש׳ for the following things there is no definite proportion or quantity prescribed. Y. ib. 15ᵃ bot. אין להם ש׳ לא למעלן וכ׳ they have no limits set either of a maximum or of a mininum. Ḥall. I, 7 אם אין … כש׳ if either portion is not of the legal size (to require the separation of the priest’s share). Ib. IV, 8 של אור יש לה ש׳ וכ׳ for that portion of Ḥallah which is to be burnt there is a legal quantity (a minimum) &c. Ib. של אור אין לה ש׳ וכ׳ for that which is to be burnt there is no minimum prescribed, but there is one for that which is to be given to the priest. Nidd. 26ᵃ ש׳ שופר the legal length of a shofar. Ib. חמשה שִׁיעוּרָן טפח for five things the legal minimum size is a handbreadth. Yoma 73ᵇ, a. fr. חצי ש׳ half (less than) the legal quantity; a. v. fr.—Pl. שׁיעוּרִים, שִׁיעוּרִין, שִׁע׳. Ib. 80ᵃ כל הש׳ כולן בכזית וכ׳ all legal standards (for eatables in ritual law) are the size of an olive, except &c. Ib., a. e. ש׳ ועונשין הלכה וכ׳ standard measures and penalties are fixed by tradition, expl. ש׳ של עונשין the minima required for punishment. Sabb. VII, 4 מפני ששוו בשִׁיעוּרֵיהֶן because they are alike as to legal standards. Ib. VIII, 1. Ib. 80ᵇ כל שִׁיעוּרֵי שבת all legal minimum sizes for eatables carried abroad on the Sabbath; a. fr.—Ib. 35ᵇ נתת דבריך לש׳ thy rule would vary according to circumstances, and would not be alike for all; Meg. 18ᵇ; a. fr.—Y. B. Bath. V, end, 15ᵇ לש׳ for regulating the market prices, v. שַׁעַר I.