crocodilian
/,krɔkə'diljən/
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Definition
Noun: 1. A member of the order Crocodilia: Any of a group of large, predatory, semiaquatic reptiles that includes crocodiles, alligators, caimans, and the gharial. They are characterized by long snouts, powerful jaws, a muscular tail, and a thick, armored skin.
Usage
The term "crocodilian" is used as a scientific and general term to refer to any species within this specific reptilian order. It is often used in zoological, biological, and conservation contexts. - The zoo has a new exhibit featuring various crocodilian species from around the world. - Fossil evidence shows that crocodilian ancestors lived alongside dinosaurs.
Advanced Usage
- As a collective noun: The word can be used to refer to the group as a whole.
- The conservation status of many crocodilian is a cause for concern.
- In evolutionary biology: Used to describe features or lineages related to this order.
- The study focused on the crocodilian heart, which has a unique four-chambered structure.
Variants and Related Words
- Crocodilia (n): The scientific name for the order to which crocodilians belong.
- Crocodylian (n): An alternative, less common spelling.
- Crocodile (n): A specific type of crocodilian, often with a narrower, V-shaped snout (e.g., the Nile crocodile).
- Alligator (n): A specific type of crocodilian, typically with a broader, U-shaped snout (e.g., the American alligator).
Synonyms
- Crocodylomorph (n): In a broader paleontological sense, a member of the larger group that includes extinct relatives and ancestors of modern crocodilians.
Related Phrases and Terms
- Crocodilian tears: This idiom ("to cry crocodile tears"), meaning to display false or insincere sorrow, originates from the ancient belief that crocodiles cried while eating their prey. While the idiom uses "crocodile," the concept is associated with the crocodilian family.
- Archosaurian reptile: A technical term describing crocodilians as part of the archosaur group, which also includes dinosaurs and birds.