1. Duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet
   - corythosaurus

Type of: duck-billed dinosaur, hadrosaur, hadrosaurus

Part of: genus Corythosaurus

• emphatical
• emphatically
• emphysema
• emphysematous
• emphysematous gangrene
• emphysematous phlegmon
• empire
• Empire day
• Empire State
• Empire State Building
• Empire State of the South
• empiric
• empirical
• empirical formula
• empirical research
• empirically
• empiricism
• empiricist
• empiricist philosophy
• Empirin
• emplace
• emplacement
• emplane
• unconnected
• unconnectedness