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 hybrid
2 : a very stubborn person
3 : a machine for simultaneously drawing and twisting fiber into yarn or thread and winding it into cops
4 slang : a person who smuggles or delivers illicit substances (as drugs)