Main Entry:

¹mule

Pronunciation:

\ˈmyül\

Function:

noun

Etymology:

Middle English, from Anglo-French mul, from Latin mulus

Date:

13th century

1 a: a hybrid between a horse and a donkey ; especially : the offspring of a male donkey and a mare b: a self-sterile plant whether hybrid or not c: a usually sterile hybrid2: a very stubborn person3: a machine for simultaneously drawing and twisting fiber into yarn or thread and winding it into cops4slang : a person who smuggles or delivers illicit substances (as drugs)