n.
Pronunciation: i- ' gwä-n ə
Function: noun
Etymology: Spanish, from Arawak & Carib iwana
Date: 1555
: any of various large chiefly herbivorous usually green or brownish tropical American lizards (family Iguanidae, the iguana family) that have a serrated dorsal crest and large dewlap broadly : any of various large lizards
iguana