Mule1. (n.) A hybrid animal; specifically, one generated between an ass and a mare, sometimes a horse and a she-ass. See Hinny.
2. (n.) A plant or vegetable produced by impregnating the pistil of one species with the pollen or fecundating dust of another; -- called also hybrid.
3. (n.) A very stubborn person.
4. (n.) A machine, used in factories, for spinning cotton, wool, etc., into yarn or thread and winding it into cops; -- called also jenny and mule-jenny.
Thesaurus Entries
Cape Colored, Eurasian, Siberian husky, ass, bastard, beast of burden, bigot, bitter-ender, bullethead, camel, cattalo, citrange, cross, crossbred, crossbreed, diehard, dogmatist, donkey, draft animal, dromedary, elephant, fanatic, griffe, half blood, half-bred, half-breed, half-caste, hardnose, high yellow, hinny, horse, husky, hybrid, intransigeant, intransigent, jennet, jenny, ladino, last-ditcher, liger, llama, malamute, manlike, manly, masculine, maverick, mestee, mestiza, mestizo, metis, metisse, mixblood, mixed-blood, mongrel, mulatto, mustee, octoroon, ox, pack horse, perverse fool, pighead, plumcot, positivist, purist, quadroon, quintroon, reindeer, sambo, silkworm, sledge dog, spider, spinner, spinning frame, spinning jenny, spinster, standpat, standpatter, stickler, sumpter, sumpter horse, sumpter mule, tangelo, throstle, tigon, zebrass, zebrule