leguaan /ˈlɛɡjʊən, ˈlɛɡʊˌɑːn/

• 1. 

  N a large amphibious monitor lizard of the genus Varanus, esp V. niloticus (the water leguaan), which can grow up to 2 or 3 m 大蜥蜴 (Also called iguana) [South African]