קְתִדְרִין, m. (καθέδριον) same. Y. Yoma IV, 41ᶜ top כמלך … על ק׳ שלו like a king seated on his chair. Gen. R. s. 44 ק׳ דדין לקבל ק׳ דדין the chair of one opposite that of the other; a. e.