קַשְׁטָנִית, (preced. art.) bow-shaped handle of a borer, ‘bow-drill’ (v. Sm. Ant.³ s. v. Terebra). Kel. XXI, 3 (ed. Dehr. קוּשְׁטָ׳). Tosef. Sabb. XIII (XIV), 17 מטלטלין את הקשט׳ Ar. (ed. הקַשְׁתָּ׳) you may handle the bow-drill (on the Sabbath); ולא יקדיח בק׳ וכ׳ but you must not bore (a wine cask &c.) as you do on week days.