SINORNIS as NOUN

1. Meaning
   • 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
   Hypernyms(s) Sinornis is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • bird (what does bird mean?)