a donkey, esp. one used as a pack animal in the SW U.S.
Origin of burroSpanish from burrico from Late Latin burricus, small horse
- A small donkey, especially one used as a pack animal.
- Slang A drug smuggler who swallows bags filled with a drug, especially heroin or cocaine, to avoid detection by drug enforcement officers or customs officials.
Origin of burroSpanish back-formation from borrico donkey from Vulgar Latin burrīcus variant of Late Latin būricus, burricus small horse, of unknown origin