stegosaurus

noun

A stegosaurian dinosaur of the genus Stegosaurus of the Jurassic Period, having large upright plates along the back and two pairs of spikes on the tail.

The typical genus of Stegosauridæ. It contained species some 30 feet long, mailed with enormous bucklers and spines.

[lowercase] A dinosaur of this genus.

A genus of large Jurassic dinosaurs remarkable for a powerful dermal armature of plates and spines.

A stegosaur.