from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A member of the genus Hypsilophodon of small ornithopod herbivorous dinosaurs.
from The Century Dictionary and Cyclopedia
- Pertaining to or having the characters of the genus Hypsilophodon.
Named after the Hypsilophus genus of iguana lizard, literally meaning "high-crested tooth". (Wiktionary)