protoavis 1
noundomain: animal
Princeton WordNet [ver.3.1]
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EnglishDefinition
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
Hypernym
bird 1
noun
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
Member_meronym
extinct primitive birds of the Triassic period; 70 million years before archaeopteryx
EnglishMember_holonym
extinct primitive birds of the Triassic period; 70 million years before archaeopteryx
