noun
or ja·ra·ra·cu·cu ˌzharəˌräkəˈsü
( -s )
Etymology: Portuguese jararacuçu, jararacuçú, from Tupi jararaca wassu & Guarani yararaca wassu, literally, big jararaca
: a venomous pit viper ( Bothrops jararacussu ) of Brazil that is related to the fer-de-lance