אָרַס (b. h. ארשׂ Pi.; √אר , v. ארר) to bind, join; to betroth. Part. pass. אָרוּס, f. אֲרוּסָה betrothed, engaged. Keth. 13ᵇ אָרוּס וַאֲרוּסָתוֹ a betrothed couple. Y. Ḥag. II, 77ᵈ אֲרוּסִי my betrothed, i.e. my beloved citizen.
    Pi. - אֵרַס, אֵירַס 1) to betroth to one’s self, engage in marriage. Y. Bets. V, 63ᵃ bot. לְאָרֵס. Ib. הא לארס יְאָרֵס but betroth he may; a. fr.—Yeb. VI, 4 אירס וכ׳ he betrothed a widow. Keth. I, 6 אֵרַסְתַּנִי, אֵרַסְתִּיךְ; a. fr. [As to the legal status of betrothal, v. אֵרוּסִין.] —2) to give away in betrothal (of the bride’s father). Ib. IV, 2.—Part. pass. מְאוֹרָסָה. Snh. VII, 9; a. fr.—Ex. R. s. 33 (play on morashah, Deut. XXXIII, 4).—
    Hithpa. a. Nithpa. - הִתְאָרְסָה, נִתְאָרְסָה to be betrothed (only of the woman). Keth. III, 3; a. e.—Yeb. IV, 10 הנשואות יִתְאָרְסוּ וכ׳ those who have been married before, may get betrothed (before the expiration of three months after separation from their husbands by death or divorce), and those who have been betrothed (and not yet married), may get married (during the above term).