1. of, relating to, or resembling a dinosaur or dinosaurs

1. a dinosaur or member of the group Dinosauria
Usage: technical/scientific

Examples

• The museum displayed dinosaurian fossils from the Mesozoic Era.
• Scientists study dinosaurian anatomy to understand how these creatures lived.
• The dinosaurian skeleton towered over the visitors in the exhibition hall.
• Modern birds are considered living dinosaurians by evolutionary biologists.
• The dinosaurian era lasted for millions of years.