gelding (subs.) Copy link Outline I. The act or processII. A horse that has been gelded1. cantĕrius2. perh. curtus equus, cf. Hor. S. 1, 6, 104; and ib. 9, 70. • gelding (subs.): I. The act or process: castrātio: Col. 6, 26. II. A horse that has been gelded: 1. cantĕrius: Varr. R. R. 2 7, extr. 2. perh. curtus equus, cf. Hor. S. 1, 6, 104; and ib. 9, 70.