The Collaborative International Dictionary of English v.0.48:

Brevipennate \Brev`i*pen"nate\, a. [L. brevis short + E.
   pennate.] (Zool.)
   Short-winged; -- applied to birds which can not fly, owing to
   their short wings, as the ostrich, cassowary, and emu.
   [1913 Webster] Brevirostral