(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
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative 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 ]