Liddell–Scott–Jones: κᾰκό-πτερος

κᾰκό-πτερος,ον,

A. with bad wings, weak in the wing, opp.εὔπτερος, Arist. HA 617b4 , al.; of the Sphinx, asa bird of ill omen, Epigr. ap. Sch. E. Ph. 50 .