Category:Hylaeosaur

Hy"læ*o*saur`, Hy`læ*o*sau"rus, n. Etym: [NL. hylaeosaurus, fr. Gr. (Paleon.)

Defn: A large Wealden dinosaur from the Tilgate Forest, England. It was about twenty feet long, protected by bony plates in the skin, and armed with spines.