archaeornis

English Thesaurus

1. extinct primitive toothed bird with a long feathered tail and three free clawed digits on each wing (noun.animal)

hypernym	:	bird,
definition	:	warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings (noun.animal)

member meronym	:	genus archaeornis,
definition	:	a genus of fossil bird (noun.animal)