Sign Up
|
Log In
THE
CHALLENGE
THE
DICTIONARY
LOOK IT UP
VOCABULARY
LISTS
Search Results
Advanced Search
List Builder
Random Word
Sinornis
DEFINITIONS OF:
Sinornis
1
n
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
Type of:
bird
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
Launch
WORD FAMILY
USAGE EXAMPLES
Copyright © 2011 Vocabulary.com All Rights Reserved.
·
Home
·
How It Works
·
Blog
·
Help
·
Terms of Use