Archeopteryx

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  archeopteryx \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}.


  
     Syn: archaeopteryx.
          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  archeopteryx
       n : extinct primitive toothed bird of the Jurassic period having
           a long feathered tail and hollow bones; usually
           considered the most primitive of all birds [syn: {archaeopteryx},
            {Archaeopteryx lithographica}]