The term ‘crocodilian’ refers to a member of the order Crocodylia, which includes crocodiles, alligators, caimans, and gharials. It can also be used as an adjective to describe characteristics or features pertaining to these reptiles. Crocodilians are known for their semi-aquatic lifestyle, elongated bodies, powerful jaws, and tough, scaly skin. They are typically found in freshwater habitats such as rivers, lakes, and swamps.