The Collaborative International Dictionary of English v.0.48:

Strisores \Stri*so"res\, n. pl. [NL.; cf. L. stridere to creak,
   whiz, buzz.] (Zool.)
   A division of passerine birds including the humming birds,
   swifts, and goatsuckers. It is now generally considered an
   artificial group.
   [1913 Webster]