1. of, relating to, or belonging to the family Iguanidae, a large family of lizards found mainly in the Americas
Usage: zoological term

1. a lizard of the family Iguanidae
Usage: zoological term

Examples

• The green iguana is one of the largest iguanian lizards.
• Iguanian species are characterized by their dewlaps and crested backs.
• Many iguanian reptiles are herbivorous.
• The basilisk is a notable iguanian found in Central America.
• Iguanian lizards have adapted to various habitats from deserts to rainforests.