Definition of Iguanidae
: a large family of chiefly New World lizards including the iguanas and many of the small inoffensive lizards (as the pine lizard and horned toads) of the U.S. and being distinguished from the related Agamidae by possession of pleurodont dentition
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Origin and Etymology of iguanidae
New Latin, from Iguana, type genus + -idae
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