Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: mule  myool
  1. Hybrid offspring of a male donkey and a female horse; usually sterile
  2. A slipper that has no fitting around the heel
    - scuff
  3. A test vehicle fitted with prototype components
  4. A small vehicle or locomotive
  5. (informal) a person paid to smuggle drugs
  6. A stubborn person

Sounds like: mucus, mucmule

Derived forms: mules

Type of: carpet slipper, equid, equine, slipper

Part of: Equus, genus Equus

Encyclopedia: Mule, Norway