Crocodylidae is a scientific term referring to a family of large, aquatic reptiles commonly known as crocodiles. This family includes various species that are characterized by their elongated bodies, powerful jaws, and semi-aquatic lifestyles. Crocodiles are often found in tropical and subtropical regions and are known for their strong predatory skills. The family Crocodylidae is part of the order Crocodylia, which also includes alligators, caimans, and gharials.