Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sinornis

1 sense of sinornis

Sense 1
Sinornis -- (sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tail; found in China; considered possibly the second most primitive of all birds)
       => bird -- (warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings)