mule
1 Americannoun
-
the sterile offspring of a female horse and a male donkey, valued as a work animal, having strong muscles, a body shaped like a horse, and donkeylike long ears, small feet, and sure-footedness.
-
any hybrid between the donkey and the horse.
-
Informal. a very stubborn person.
-
Botany. any sterile hybrid.
-
Biology. a hybrid, especially one between the canary and some other finch.
-
Slang. a person paid to carry or transport contraband, especially drugs, for a smuggler.
-
a small locomotive used for pulling rail cars, as in a coal yard or on an industrial site, or for towing, as of ships through canal locks.
-
Also called spinning mule. a machine for spinning cotton or other fibers into yarn and winding the yarn on spindles.
-
Nautical. a large triangular staysail set between two masts and having its clew set well aft.
-
Numismatics. a hybrid coin having the obverse of one issue and the reverse of the succeeding issue, or vice versa.
idioms
noun
-
a lounging slipper that covers the toes and instep or only the instep.
-
a woman's shoe resembling this.
noun
-
the sterile offspring of a male donkey and a female horse, used as a beast of burden Compare hinny 1
-
any hybrid animal
a mule canary
-
Also called: spinning mule. a machine invented by Samuel Crompton that spins cotton into yarn and winds the yarn on spindles
-
informal an obstinate or stubborn person
-
slang a person who is paid to transport illegal drugs for a dealer
noun
Etymology
Origin of mule1
First recorded before 1000; Middle English, from Old French, from Latin mūla “mule” (feminine); replacing Old English mūl, from Latin mūlus (masculine)
Origin of mule2
First recorded in 1350–1400; Middle English mule, moule “sore spot on the heel, chilblain,” perhaps from Middle Dutch mūle
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Per the plan conceived by the Catalina Island Conservancy, professional hunters will shoot the island’s non-native mule deer on the ground over four to five years.
From Los Angeles Times
And that will set Tūtū off on how Dad is a stubborn mule.
From Literature
![]()
Neither can male mountain lions or mule deer, both of which inhabit this dramatic desert.
From Los Angeles Times
While the Roadster rode rough, the Straubel mule, with Mercedes’s finely tuned suspension and Tesla’s all but silent battery-powered motor, flew like a magic carpet ride.
Originally, she said, she was betting on a coyote, but now she’s putting her money on mule deer.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.