[a. L. castrātor, f. castrāre.] One who castrates; see the vb.
1811. Sporting Mag., XXXVIII. Aug., 211/1. John Beele, castrator, took one testicle away from the horse when it was a year oldthe other had not come down into its proper place.
1818. Southey, Lett. (1856), III. 934. The reviewal of Evelyns Memoirs (part of which goes to the grand castrator with this letter).