πτέρυξ

A. πτερύξ Aristarch. ap. Hdn.Gr.1.45), υγος , ἡ: Ep. dat. pl. πτερύγεσσι: (πτερόν):—wing of a bird, Il. 2.316; mostly pl., ib.462, Od. 2.149, Hes. Sc. 134, A. Ag. 52 (anap.), etc.; λευκὴ πτεροῖσι, πλὴν . . ἄκρων τῶν πτερύγων white in its plumage, save . . the tips of the wings, of the ibis, Hdt. 2.76; of Eros and Nike, Aristopho 11.8: metaph., κινοῦντα πτέρυγας ἤδη 'trying your wings', Lib. Ep. 155.2.

2. winged creature, bird, AP 6.12 (Jul.).

3. flight, augury, omen, ποίων (sc. ὀρνίχων)οὐκ ἀγαθαὶ πτέρυγες Call. Lav.Pall. 124.

II. anything like a wing,

1. in pl.,= πτερύγια, fins of fish, Arist. HA 505b21, Mir. 835b10, Ael. NA 11.24; flippers of seals, Arist. PA 697b5; of dolphins and whales, Id. HA 537b3; of the tortoise, Nic. Al. 559.

2. pl., feathery foliage, Thphr. HP 3.9.6.

b. = ἄσπληνος 1, Dsc. 3.134.

3. blade of the steering-paddle, IG 22.1607.74: hence, rudder, S. Fr. 1083; ἑξήρετμοι π., of oars, Epigr.Gr. 337.2 (Cyzicus).

4. flap of a cuirass, X. An. 4.7.15 (v.l.), cf. Eq. 12.4, 6; of the Doric χιτών, Ar. Fr. 325, Men. Epit. 187, Com.Adesp. 17.1 D., Plu. Comp.Lyc.Num. 3, Poll. 7.62.

5. broad edge of a knife or hunting-spear, Plu. Alex. 16, Poll. 5.21; beak of the sword-fish (v.l. ῥύγχος), Ael. NA 9.40.

6. lobe of the lungs, Hp. Coac. 394.

7. point of a building, Poll. 7.121.

8. front frame of a torsion-engine, Hero Bel. 101.8.

9. shoulder-blade, Philostr. Gym. 30.

10. in pl., title of poem whose lines form a pattern like wings, AP 15.24 (Simm.).

11. pl., sails, Com.Adesp. 9 D. Lyr.Alex.Adesp. 20.9.

III. anything that covers or protects like wings, π. πέπλων E. Ion 1143; κολπώδη πτέρυγ’ Εὐβοίας, i.e. Aulis, Id. IA 120 (lyr.); νεοσσὸς ὡσεὶ πτέρυγας εἰσπίτνων ἐμάς Id. Tr. 751; of a mountain, Λιβάνου πτέρυγες Musae. 48.

2. fence, wall, Lyc. 291.

IV. metaph., πτέρυγες γόων the wings, i.e. the flight or flow, of grief, S. El. 242 (lyr.); π. Πιερίδων Pi. I. 1.64.