Definitions
1.NounAny of the relatively small crocodilians of the genus Caiman, within the family Alligatoridae.
2.NounA crocodilian of the subfamily Caimaninae, which includes the very large black caiman.
3.NounA semi-aquatic lizard, of the genus Dracaena, found in South America. To differentiate from caimans, they are referred to as caiman lizards.