Added 9 October 2026 burro /ˈbʊɹoʊ/ noun Categories: AnimalsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about burro at Wordnik → Where our words come from → Small donkey used as a pack animal. Related Words: assdonkeymulejackassroastbutterpigbroncobronchobursagebroncobuster Back to today's word