Saurischian Definition
 sô-rĭskē-ən 
    noun
  
 Any of an order (Saurischia) of dinosaurs with, typically, a pelvic structure similar to that of modern reptiles, including the theropods and sauropods.
 Webster's New World 
Synonyms: 
  - saurischian dinosaur
 
    adjective
  
 Of the saurischians.
 Webster's New World 
Characteristic of these dinosaurs.
 Wiktionary 
Other Word Forms of Saurischian
Noun
Singular:
 saurischianPlural:
 saurischiansOrigin of Saurischian
From New Latin Saurischia order name Greek sauros lizard Greek iskhion hip joint
From American Heritage Dictionary of the English Language, 5th Edition
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