Mononychus olecranus

Từ điển Oxford Learners Wordfinder Dictionary

noun

a turkey-sized long-legged fossil 75 million years old found in the Gobi Desert having bird-like fused wrist bones and keeled breastbone and a long tail resembling a dinosaur's;
short forelimbs end in a single claw instead of wings;
classification as bird or dinosaur is in dispute
• Hypernyms:
maniraptor
• Member Holonyms:
genus Mononychus