Jastrow: מִרְדִּין

*מִרְדִּין m. pl. (v. מֵרְדָא) rebellious acts, political crimes, esp. the unauthorized exercise of criminal jurisdiction by Jews under the Parthian government. B. Kam. 117ᵃ עד האידנא מלכותא דיוונאי הוו … השתא פרסאי נינהו … ואמרי מ׳ מ׳ Ms. M. (v. Rabb. D. S. a. l. note) formerly the rulers were Greeks who cared not about bloodshed (execution by unauthorized courts), but now they are Persians (Parthians) who do care &c., and cry, rebellion! rebellion!—B. Mets. 39ᵃ בורח מחמת מ׳ who flees from persecution for political offenses; B. Bath. 38ᵇ. [Hai Gaon derives our w. from the Persian, giving it the meaning of murder; Fl. to Levy Talm. Dict. III, p. 317ᵇ suggests murdan, to die.]