Jastrow: גַּם II

גַּם II, גַּאַם, (גמא) m. (preced.) joint, angle, esp. two sides of a rectangle. Erub. 55ᵃ כמין גם Ar. (ed. גאם) in the shape of a right angle. Zeb. 53ᵇ גמא (Yalk. Lev. 441 גאם). Pes. 8ᵇ שורה אחת כמין ג׳ one row of wine vessels, in the shape of &c., i.e. the front and the whole upper layer. Y. ib. I, 27ᵇ bot. קולפו כמין גם.—Kel. XIV, 8 (מפתח) של גם שנשבר מתוך גומו a key whose bit is joined (opp. to של ארכובה of one piece) broken at its junction. [Sabb. 105ᵃ על הגם Ar., ed. על הגַּס, q. v.]—Pl. גַּמִּים, גַּמִּין. Y. Pes. l. c. קולפו כמין שני ג׳ he takes off for examination two front and two upper layers, v. supra. Ib. if the vessels are arranged like steps קולפו ג׳ ג׳ he must examine by front and upper layers on each landing. B. Mets. 28ᵃ מדת גַּמָּיו the combined measure of both dimensions of a piece of goods, square measure, opp. מדת ארכו ומדת רחבו the measure of each dimension specified.—Sabb. 103ᵇ גַּמִּין, v. גי"מל.—[Commentators explain our w. = Greek Gamma, Γ, whence the Var. גַּמָּא.]