(n) largest order of birds comprising about half the known species; rooks; finches; sparrows; tits; warblers; robins; wrens; swallows; etc.; the four suborders are Eurylaimi and Tyranni and Menurae and Oscines or Passeres, Syn. order Passeriformes
(n) perching birds mostly small and living near the ground with feet having 4 toes arranged to allow for gripping the perch; most are songbirds; hatchlings are helpless, Syn. passeriform bird
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
prop. n. The largest order of birds comprising about half the known species: rooks; finches; sparrows; tits; warblers; robins; wrens; swallows; etc.; in four suborders: Eurylaimi; Tyranni; Menurae; Oscines or Passeres. Syn. -- order Passeriformes. [ WordNet 1.5 ]