Definition of lambeosaurine in US English:

lambeosaurine

adjective

  • Designating dinosaurs of the subfamily Lambeosaurinae, which comprises crested hadrosaurs such as Lambeosaurus; of, relating to, or characteristic of such dinosaurs.

noun

  • A lambeosaurine dinosaur.

Origin

1940s. From Lambeosaurus + -ine, after scientific Latin Lambeosaurinae, subfamily name.