[pet.a.sos] or pet.a.sus n [L & Gk; L petasus, fr. Gk petasos; akin to Gk petannynai to spread out] (1599): a broad-brimmed low-crowned hat worn by ancient Greeks and Romans; esp: the winged hat of Hermes
PETASOS
Meaning of PETASOS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012