Jastrow: סָרִיס

סָרִיס m. 1) (b. h.; impotent, castrate; eunuch. Yeb. VIII, 4 סְרִיס אדם one emasculated by man, a castrate, opp. to סְ׳ חמה, v. חַמָּה. Ib. 80ᵃ יביאו ראיה … והוא הס׳ they shall bring evidence that he is twenty years old (without showing the symptoms of maturity), and this is the legal saris. Ib. נעשה ס׳ למפרע he is considered as having been a saris at the time of the deed (and legally responsible), opp. קטן. Ib. סימני ס׳ וכ׳ persons with the symptoms of impotency … are not legally proceeded against (as responsible persons) until they are twenty years of age; a. v. fr.—Pl. סָרִיסִים, סָרִיסִין. Snh. 93ᵇ ס׳ ממש real castrates (סריס in the real sense). Deut. R. s. 3, v. סָרַח II; a. e.—[ 2) (homilet., v. סָרַס II) mediator, manager. Num. R. s. 11; Cant. R. to III, 7, v. מוּפְלָא.]