{ } a. [ Pref. bi- + pennate: cf. L. bipennis. Cf. Bipinnate. ] Having two wings. “Bipennated insects.” Derham. [ 1913 Webster ]

{ } a. [ L. pennatus feathered, winged, from penna feather, wing. ] 1. Winged; plume-shaped. [ 1913 Webster ]

2. (Bot.) Same as Pinnate. [ 1913 Webster ]