πτερύγιον

II. anything like a wing.

1. in pl., fins of fish, ib.489b24, 504b30, IA 714a11; of the tail-flaps of a lobster, Id. HA 490a3, cf. 525b27, PA 684a13, GA 720b12; of certain sea-slugs, Id. HA 532b22, 24; fins of the sepia and other cuttle-fish, πτερύγῑ . . σηπίας ὠπτημένα Sotad.Com. 1.16, cf. Alex. 187.3, Arist. HA 524a31, PA 685b16.

2. horns of the horned owl, Id. HA 597b22.

3. end or tip of the rudder, Poll. 1.90; of a pole, Hsch.

4. in a building, turret or battlement, or (as others) pointed roof, peak, Ev.Luc. 4.9; cf. πτέρυξ 11.7.

5. flap, fold (cf. πτέρυξ 11.4), Arist. Aud. 802a39, LXX Nu. 15.38, Ru. 3.9, Poll. 7.62; flap of a cuirass, Aen.Tact. 31.8; π. κρανῶν IG 22.1424a.399 (pl.).

6. in the body, part of the shoulderblade, Poll. 2.177; of the ear, parts joining the temples, ib.85, Hsch.; of the nose, parts joining the cheeks, Poll. 2.80, Sor. 1.71, Gal. UP 11.12.

7. Medic., disease of the eye when a membrane grows over it from the inner corner, Hp. Prorrh. 2.20, Cels. 7.7.4, Dsc. 1.108, Gal. 7.732.

8. fleshy excrescence on the nails, Cels. 6.19.1, Dsc. 1.110, Paul.Aeg. 6.85.

9. pl.,= του = πνεύμονος τοῦ λοβοῦ τὰ ἄκρα, Hsch.

10. pl., flanges holding the projector of a torsion-engine, Ph. Bel. 54.23; on a κέστρος 11, Plb. 27.11.4.