archeopteryx

n.

1.

an extinct primitive toothed bird (Archaeopteryx lithographica) of the Upper Jurassic having a long feathered tail and hollow bones; usually considered the most primitive of all known birds. Same as archaeopteryx.

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 birds archaeopteryx, Archaeopteryx lithographica bird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings genus Archaeopteryx, genus Archeopteryx - a genus of fossil birds