Dictionary entry

πτέρυξ

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

πτέρυξ, -υγος, ἡ

(< πέτομαι), [in LXX chiefly for כָּנָף;]

a wing: of birds, Mt 23:37, Lk 13:34, Re 12:14; of creatures seen in a vision, Re 4:89:9.†