noun, plural bur·ros.
- a small donkey, especially one used as a pack animal in the southwestern U.S.
- any donkey.
noun plural -ros
- a donkey, esp one used as a pack animal
“donkey,” 1800, from Spanish burrico “donkey,” from Late Latin burricus “small, shaggy horse,” probably from burrus “reddish-brown,” from Greek pyrros “flame-colored, yellowish-red,” from pyr (genitive pyros) “fire” (see fire (n.)). Or, for its shaggy hair, from Late Latin burra “wool.”