מַסְגֵּר, enclosure. Ex. R. s. 15 ונעל המ׳ בפניה he locked the enclosure up before it (the cattle). Y. B. Kam. V, 4ᵈ bot.; ib. VI, 5ᵇ bot. (in Chald. diction) דאית לה מ׳ (not ליה) when it (the stack of grain) has an enclosure around it.
מַסְגֵּר, locksmith; (allegorically) scholar. Snh. 38ᵃ; Gitt. 88ᵃ; v. סָגַר.