Source : Webster's Revised Unabridged Dictionary (1913)

Pennate \Pen"nate\, Pennated \Pen"na*ted\, a. [L. pennatus
   feathered, winged, from penna feather, wing.]
   1. Winged; plume-shaped.

   2. (Bot.) Same as {Pinnate}.

Source : WordNet®

pennate
     adj : having feathered wings