Lewis & Short

tonstrix (tonsrix, Charis. p. 30 P.), īcis, f. [tondeo], a female hair-cutter or barber, Plaut. Truc. 2, 4, 51; 4, 2, 59; 4, 4, 3; Mart. 2, 17, 1; Inscr. Grut. 594, 3.