Mule

·noun A very stubborn person.

II. Mule ·noun A hybrid animal; specifically, one generated between an ass and a mare, sometimes a horse and a she-ass. ·see Hinny.

III. Mule ·noun A plant or vegetable produced by impregnating the pistil of one species with the pollen or fecundating dust of another;

— called also hybrid.

IV. Mule ·noun 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.