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