Jastrow: רֶבַע

רֶבַע m. (b. h.; preced.) one-fourth, quarter.—Pl. רְבָעִים. Erub. 56ᵃ בארבעה רִבְעֵי היום וכ׳ at one of the four quarters of the day, at the beginning of the day, or at the beginning of the night, or at noon, or at midnight.—Esp. one-fourth of a Ḳab. Pl. as ab. Ḥall. II, 6 חמשת ר׳ קמח five quarts of flour (v. Maim. a. l.). Ib. I, 4; a. fr.—Du. רִבְעָתַיִם, רִיבְ׳. Ker. I, 7 בר׳ at the price of two quarters (of a silver Denar); B. Bath. 166ᵇ (Rashb: at one quarter of a Denar for a pair of birds, v. Tosaf. a. l.); Ker. 10ᵇ