- any of numerous lizards of the family Iguanidae, of the New World, Madagascar, and several islands of the South Pacific, comprising terrestrial, semiaquatic, and arboreal species typically with a long tail and, in the male, a bright throat patch, including the anoles, collared lizards, earless lizards, horned lizards, and iguanas.
- belonging or pertaining to the iguanids.
