What does "stegosaur" mean?

Any extinct herbivorous dinosaur, of the suborder Stegosauria, having two rows of bony plates along the back.

How do you pronounce "stegosaur"?

Pronounced //ˈstɛɡəˌsɔr//.

Common synonyms include: plate-backed dinosaur, plateback dinosaur, stegosaurid, stegosaurus, stegosaurus genus, stegosaurus stenops.

/ˈstɛɡəˌsɔr/ noun

noun ·Rare ·Advanced level

Noun

1
Any extinct herbivorous dinosaur, of the suborder Stegosauria, having two rows of bony plates along the back.
2
herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon wordnet

From Stegosaurus.