The Collaborative International Dictionary
                    Bipennated
                    
                        
                
                                                                    Bipennate \Bi*pen"nate\, Bipennated \Bi*pen"na*ted\, a. [Pref.
   bi- + pennate: cf. L. bipennis. Cf.  Bipinnate.]
   Having two wings. ``Bipennated insects.'' 
--Derham.
   [1913 Webster] ||
Wiktionary
                    bipennated
                    
                        
                
                                                                    a. Having two wings. alt. Having two wings.