archeopteryx

Thesaurus

Noun

1.

archeopteryx - extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birdsarchaeopteryx, Archaeopteryx lithographicabird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wingsgenus Archaeopteryx, genus Archeopteryx - a genus of fossil birds