tyrannosaurus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations;
may have been a scavenger rather than an active predator;
later Cretaceous period in North America
• Syn:
tyrannosaur, Tyrannosaurus rex
• Hypernyms:
theropod, theropod dinosaur, bird-footed dinosaur
• Member Holonyms:
genus Tyrannosaurus