πέτασος
πέτᾰς-ος, ὁ, also ἡ ap. ; 11.499e πετάσῳ Θετταλικῇ is prob. cj. for πίλῳ Θετταλικῇ in HP 4.8.7 (cf. 9 ): (πετάννυμι):—
A). broad-brimmed felt hat, worn by ἔφηβοι and hence used as their badge, , 10.164 ; γυμνάσιον καθίδρυσε καὶ τοὺς κρατίστους τῶν ἐφήβων ὑπὸ πέτασον ἦγεν, i.e. made them practise gymnastics, 2 Ma. 4.12 ; also in representations of Hermes, ap. . 12.537f
III). from its shape, also, awning, ὁ π. τοῦ θεάτρου OGI 510.4 (Ephesus, ii A. D.), CIG 3422.17 (Philadelphia); also, of the circular tomb of Porsenna, HN 36.92 ; baldacchino, . 3.11