Celes, huius celêtis, pen. prod. Plin. A horse running for a price or game.Celes etiam genus est nauigij actuarij, quod & Celox dicitur. Gellius. A certaine boate.Celitizontes. Plin. They that ride on such horses.
Lewis and Short: Latin dictionary
cĕlēs, ētis, m., = ke/lhs. I.A racer, race-horse, Plin. 34, 5, 10, 19; v. Serv. ad Verg. A. 8, 635.—II.A swift-sailing vessel, a yacht, pure Lat. celox, Plin. 7, 56, 57, 208; cf. Gell. 10, 25, 5.