The earliest of the large bipedal dinosaurs, which had two long crests on the head and occurred in the early Jurassic period.
双冠龙，双嵴龙
Genus Dilophosaurus, infraorder Carnosauria, suborder Theropoda
Example sentencesExamples
There are the dangerous velociraptors, which slash and attack in packs; the towering t-rexes, who would be considered aggressive and loud in any neighborhood; the peaceful, foliage-chewing brachiosauri; the hooting, poison-spitting dilophosauri, and many other prehistoric earthshakers.
Origin
Modern Latin, from Greek dilophos 'two-crested' + sauros 'lizard'.