BIPENNATE
a.[L. bis, and penna, a wing or feather. ] Having two wings. 1. In botany, having pinnate leaves on each side of the petiole, as a leaf or frond.
BIPENNATE; BIPENNATED
Bi *pen "nate, Bi *pen "na *ted, a. Etym: [Pref. bi- + pennate: cf. L.bipennis. Cf. Bipinnate. ]