iguana /i-gwäˈnə/

1. A large thick-tongued grey-green arboreal lizard of tropical America, having a row of spines along its back
2. Loosely extended to others of the same family Iguaˈnidae (also iguaˈnid)
3. In South Africa, a monitor lizard of the genus Varanus

• understood
• understorey
• understoreys
• understories
• understory
• understrapper
• understrappers
• understrapping
• understrata
• understratum
• understudied
• understudies
• understudy
• understudying
• undersubscribed
• undersupplies
• undersupply
• undersurface
• undersurfaces
• under suspicion
• underta'en
• undertakable
• undertake
• undertaken
• undertaker