חִידּוּשׁ, חִדּ׳ m. (חָדַשׁ) 1) renovation, the first stage of the crescent moon. Y. Ber. IX, 13ᵈ הרואה … בחִידּוּשָׁהּ he who sees the moon in her first stage. Y. Shek. I, 46ᵃ bot. שמרהו שיבוא בחִירּוּשׁוֹ observe it that it (the maturing of the crops) should coincide with the first part of the month of Nisan. R. Hash. 25ᵃ אין חִרּוּשָׁהּ של לבנה וכ׳ (Ms. M. חָדְשָׁהּ, v. חֹדֶשׁ) the renovation of the moon takes no less than twenty nine days and a half &c. —2) restoration. Y. Taan. II, 65ᶜ bot. ח׳ בית וכ׳ the restoration of thy sanctuary. —3) novel interpretation, novel idea, additional legislation (novellae). Ḥag. 3ᵃ א"א לבה"מ בלא ח׳ it is impossible for a college session to pass without a novel remark. Ib. מה ח׳ היה וכ׳ what was the news in college to-day?—Cant. R. to IV, 16 ובואי דבר של ח׳ ‘and come’ (ib.) intimates a novel rule (adding thanks-offerings); Y. Meg. I, 72ᶜ top, a. e.—Lev. R. s. 13, v. חָדָשׁ; a. fr. —4) strange law, exception, unique law (which allows of no conclusion by analogy), anomaly. Snh. 27ᵃ עד זומם ח׳ הוא וכ׳ the law concerning the punishment of false witnesses is an anomaly, (for why must we trust the one set more than the other?) אין … חִידּוּשׁוֹ ואילך therefore you cannot go beyond what it says distinctly, i.e. previous evidences of refuted witnesses cannot be assailed. Pes. 44ᵇ מבשר וחלב … דח׳ הוא you can draw no analogy from the law concerning the mixture of flesh and milk, for it is an anomaly; ומאי חידושו and wherein is it an anomaly? Y. Ter. VII, beg. 44ᶜ לחִידּוּשׁוֹ יצא the law (Deut. XXII, 13 sq.) is specified for its anomalous nature; a. fr.