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bur·ro(bûr′ō, bo͝or′ō, bŭr′ō)
n. pl. bur·ros
1. A small donkey, especially one used as a pack animal.
2. 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.
[Spanish, back-formation from borrico, donkey, from Vulgar Latin *burrīcus, variant of Late Latin būricus, burricus, small horse, of unknown origin.]
n, pl -ros
a donkey, esp one used as a pack animal
[C19: Spanish, from Portuguese, from burrico donkey, ultimately from Latin burrīcus small horse]
bur•ro(ˈbɜr oʊ, ˈbʊər oʊ, ˈbʌr oʊ)
n., pl. -ros.
1. a small donkey, esp. one used as a pack animal.
2. any donkey.
[1790–1800; < Sp < Portuguese, back formation from burrico ass < Vulgar Latin *burriccus for Late Latin burrīcus pony]