A burro with baskets for carrying goods.
burro definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. burros
a donkey, esp. one used as a pack animal in the SW U.S.
Origin: Spanish ; from burrico ; from Late Latin burricus, small horse
burro definition by American Heritage Dictionary
noun pl. bur·ros
A small donkey, especially one used as a pack animal.
Origin: Spanish, back-formation from borrico, donkey, from Late Latin burrīcus, small horse.