n. A hybrid animal generated between the ass and the horse.n. A hybrid in general; a mongrel; a cross between different animals.n. The scaup-duck, Fuligula marila. Rev. C. Swainson. [Prov. Eng.]n. In botany, a plant or vegetable produced by impregnating the pistil of one species with the fecundating element of another; a hybrid.n. In spinning, a machine invented by Samuel Crompton (completed 1779), in which the rovings are delivered from a series of sets of drawing-rollers to spindles placed on a carriage which travels away from the rollers while the thread is being twisted, and returns toward the rollers while the thread is being wound: so named because it was a combination of the drawing-rollers of Arkwright and the jenny of Hargreaves.n. In numismatics, a coin, token, or medal which, owing to mistake or caprice, consists of two obverse or two reverse types, or of which the obverse and reverse types are accidentally associated.n. A slipper without heel-piece or quarter.n. The foot of a wine-glass.n. A disease in horses.n. In mech., a locomotive for towing canal-boats, operated by compressed air, electricity, or steam: so called because it replaces the mules usually used for towing.