hadrosaurid
/hadrəˈsɔːrɪd/Palaeontology
noun
A bipedal herbivorous ornithopod dinosaur of the Upper Cretaceous family Hadrosauridae, whose members had beaked and often elaborately crested skulls; a duck-billed dinosaur, a hadrosaur.
adjective
Of, relating to, or designating a hadrosaurid.
Origin
Late 19th century; earliest use found in Isaac Funk (1839–1912), publisher and reformer. From scientific Latin Hadrosauridae, family name from Hadrosaurus + -idae.