a male mule, especially one not gelded.
- Compare john (def. 4).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use horse mule in a sentence
In addition, the black fitted in perfectly with the other horse mule.
The horse mule he picketed, but the mare was left unhampered.
Barbara stood ready to work the forge's bellows and the horse mule was tethered near by.
Lifting the wagon's other side, he took that wheel too, and packed both on the horse mule.
The team halted as soon as he spoke, and the horse mule turned a questioning head toward his mate.