cantātrix — Lewis & Short
cantātrix, īcis, f.adj.cantator (postclass.).
I Musical, singing:
choreae,Claud. B. Gild. 448.—Subst.: cantātrix, īcis, f., a female singer, Vulg. 2 Reg. 19, 35; cf. Prisc. p. 1225 P.—
II Using enchantments:
anus,App. M. 2, p. 128, 1:
aniculae,id. ib. 2, p. 123, 25.