רוֹבַע, one-fourth, esp. (sub. קב) robʿa, one-fourth of a Kab. Ker. 6ᵃ; Y. Yoma IV, 41ᵈ. Tosef. B. Bath. V, 10 (among the measures to be kept) ר׳ וחצי ר׳ a robʿa and a half robʿa. Num. R. s. 9²⁴ (God repays measure for measure) ר׳ וחצי ר׳ even to a r. and a half-r. Tosef. Kel. B. Bath. III, 8 הר׳ וחצי הר׳ a block with the cavity of a r. on one side and of a half-r. on the other; Tosef. Mikv. VI, 22. Tosef. Ohol. I, 7 ר׳ עצמות a robʿa-ful of bones; a. fr.—בית ר׳ a piece of ground of the capacity of one robʿa of seed. Kidd. 26ᵇ; a. e.