bolasPronunciation: /ˈbəʊləs/Definition of bolas noun [treated as singular or plural] (especially in South America) a missile consisting of a number of balls connected by strong cord, which when thrown entangles the limbs of the quarry. Origin: early 19th century: from Spanish and Portuguese, plural of bola 'ball'bolas in other Oxford dictionaries Definition of bolas in the US English dictionary