stegosaurus Meaning, Definition & Usage

  1. noun herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon
    stegosaur; Stegosaur stenops.

WordNet


Steg`o*sau"rus noun
Etymology
NL., fr. Gr. roof + a lizard.
Definitions
  1. (Paleon.) A genus of large Jurassic dinosaurs remarkable for a powerful dermal armature of plates and spines.

Webster 1913