iguanan. 鬣蜥學術名詞海鬣蜥：海洋科學鬛蜥：動物學鬣蜥蜴（草食大蜥蜴）屬：實驗動物及比較醫學英文釋義large herbivorous tropical American arboreal lizards with a spiny crest along the back; used as human food in Central America and South America