crocodilian

American  

[krok-uh-dil-ee-uhn] / ˌkrɒk əˈdɪl i ən /

noun

1. any reptile of the order Crocodylia, comprising the true crocodiles and the alligators, caimans, and gavials.

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adjective

1. of, like, or pertaining to a crocodile.

2. hypocritical; insincere.

crocodilian British  

/ ˌkrɒkəˈdɪlɪən /

noun

1. any large predatory reptile of the order Crocodilia, which includes the crocodiles, alligators, and caymans. They live in or near water and have a long broad snout, powerful jaws, a four-chambered heart, and socketed teeth

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adjective

1. of, relating to, or belonging to the Crocodilia

2. of, relating to, or resembling a crocodile

crocodilian Scientific  

/ krŏk′ə-dĭl′ē-ən /

1. Any of various semiaquatic reptiles of the order Crocodilia, including the alligators, crocodiles, caimans, and gavials. Crocodilians are squat, massive, and lizardlike, with long, powerful jaws, long, heavy tails, short legs, and thick, plated skin. Like dinosaurs, crocodilians are archosaurs, and their closest modern relatives are the birds.

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Etymology

Origin of crocodilian

crocodile + -ian; crocodilian defs. 1, 2 were first recorded in 1835–40 and crocodilian def. 3 in 1625–35

Example Sentences

See Examples For:

crocodilian

This new analysis of the marks revealed that they most closely match an extinct caiman species called Purussaurus neivensis, a crocodilian that would have been up to five metres long.

From BBC ● Jul. 22, 2025

They found that the alligator, a crocodilian, was unable to really grasp advanced visual perspective taking.

From Salon ● Sep. 13, 2024

The researchers also studied fossils of a gigantic new crocodilian ancestor that lived 210 million years ago, discovered in the village of Qhemegha, Eastern Cape, South Africa.

From Science Daily ● Sep. 20, 2023

Many community forests are adjacent to national parks, and their revival has allowed endangered plant and animal species, including the tiger, the one-horned rhinoceros and the gharial, a crocodilian reptile, to thrive.

From New York Times ● Nov. 11, 2022

Below this, again, come limestones and shales, partly of brackish and partly of fresh-water origin, in which many fish, especially species of Lepidotus and Microdon radiatus, are found, and a crocodilian reptile named Macrorhynchus.

From The Student's Elements of Geology by Lyell, Charles, Sir