סַדְרַן, Midr. Till. to Ps. LXXXVII (v. preced.) חמי ס׳ טב וכ׳ when he (Ezekiah) saw a good systematiser, he made him come (to Jerusalem); Yalk. ib. 837 סוד׳. Pes. 105ᵇ גמרנא וס׳ אנא (v. Rabb. D. S. a. l. note 400) I am a teacher and systematiser of traditions.