Wing - Vine's Expository Dictionary of New Testament Words
Wing
[ 1,,G4420, pterux ]is used of birds, Matthew 23:37; Luke 13:34; symbolically in Revelation 12:14, RV, the two wings of the great eagle" (AV, "two wings of a great eagle"), suggesting the definiteness of the action, the "wings" indicating rapidity and protection, an allusion, perhaps, to Exodus 19:4; Deuteronomy 32:11-Deuteronomy 32:12; of the "living creatures" in a vision, Revelation 4:8; Revelation 9:9. Cp. pterugion, "a pinnacle."