Definitions for

Overview of noun protoavis

The noun protoavis has 1 senses? (no senses from tagged texts)
1. protoavis

(most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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