(1):
(n.) A plant or vegetable produced by impregnating the pistil of one species with the pollen or fecundating dust of another; - called also hybrid.
(2):
(n.) A very stubborn person.
(3):
(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.
(4):
(n.) A hybrid animal; specifically, one generated between an ass and a mare, sometimes a horse and a she-ass. See Hinny.