theropod

This term is primarily used within the specialized register of paleontology and evolutionary biology. It describes a specific lineage of dinosaurs, distinguishing them from ornithischians by their bipedal stance and carnivorous tendencies. In a scientific context, it is used to categorize a wide range of creatures, from the massive Tyrannosaurus rex to the smaller ancestors of modern birds.

Because it refers to a biological clade, the word is used as a standard countable noun. It follows regular English pluralization patterns, though it is almost exclusively encountered in academic texts, museum exhibits, or documentaries regarding prehistoric life.