מַסֶּכְתָּא, ch.same, text, treatise &c. Snh. 49ᵃ דפתיח להו במ׳ a legal subject had just been opened for them (for discussion, and he would not disturb them). Hor. 10ᵇ אוקימתון מ׳ פלן וכ׳ have you put up such and such a web, i.e. have you mastered this and that subject?