ἐκπετ-άννῡμι · ekpet-annymi — LSJ
spread out, of a sail, E. IT 1135 (lyr.); πώγωνα Luc. Tim. 54; χεῖρας LXX Is. 65.2; of wings, AP 5.178.10 (Mel.); τὰ ὦτα ἐξεπετάννυτο ὥσπερ σκιάδειον Ar. Eq. 1348; of a net, τὸ δὲ δίκτυον ἐκπεπέτασται Orac. ap. Hdt. 1.62; στέφος ἐξεπέτασσε scattered it to the winds, Bion 1.88.
metaph., ἐπὶ κῶμον ἐκπετασθείς wholly given up to the revel, E. Cyc. 497 (lyr.): pf. part. Pass. ἐκπεπταμένος wide open, κοῖλα καὶ ἐ. Hp. VM 22; of gaping wounds, Id. Off. 11; ἐ. τοῖς βλεφάροις Ael. NA 2.12.