πτερῠγ-ιον, τό,
diminutive of πτέρυξ, [[ 4th c.BC: Aristoteles Philosophus “Historia Animalium” 615b30 ] Refs 4th c.BC+].
__II anything like a wing.
__II.1 in plural, fins of fish, [[[prev. work] 489b24, 504b30, “IA” 714a11 ] Refs]; of the tail-flaps of a lobster, [[ [prev. author] “HA” 490a3, compare 525b27, “PA” 684a13, “GA” 720b12 ] Refs]; of certain sea-slugs, [[ [prev. author] “HA” 532b22, 24 ] Refs]; fins of the sepia and other cuttle-fish, πτερύγι᾽.. σηπίας ὠπτημένα [[ 4th c.BC: Sotades Comicus 1.16, compare 2nd c.AD: Alexander Rhetor 187.3, 4th c.BC: Aristoteles Philosophus “Historia Animalium” 524a31, “PA” 685b16. ] Refs 4th c.BC+]
__II.2 horns of the horned owl, [[ [prev. author] “HA” 597b22. ] Refs]
__II.3 end or tip of the rudder, [[ 2nd c.AD(?): Pollianus Epigrammaticus 1.90 ] Refs 2nd c.AD+]; of a pole, [[ 5th c.AD(?): Hesychius Legal icographus ] Refs 5th c.AD+]
__II.4 in a building, turret or battlement, or (as others) pointed roof, peak, [[NT.Luke.4.9; compare πτέρυξ 11.7. ] NT]
__II.5 flap, fold [[compare (πτέρυξ 11.4), 4th c.BC: Aristoteles Philosophus “de Audibilibus” 802a39, LXX.Num. 15.38, LXX.Ruth.3.9, 2nd c.AD(?): Pollianus Epigrammaticus 7.62 ] LXX+4th c.BC+]; flap of a cuirass, [[ 4th c.BC: Aeneas Tacticus 31.8; π. κρανῶν “IG” 22.1424a.399 (_plural_). ] Refs 4th c.BC+]