δρεπανίς

English (LSJ)

ίδος, ἡ (also δραπενίς Hsch.), a kind of

   A bird, so called from the shape of its wings, prob. the Alpine swift, Cypselus melba, Arist.HA487b27; = κεγχρίς (κέγχρος cod.), Hsch.

German (Pape)

[Seite 666] ίδος, ἡ, die Erd- od. Mauerschwalbe, von ihren sichelförmigen Flügeln, Arist. H. A. 1, 1.