Dictionary
pet•a•sus
Pronunciation: (pet'u-sus), [key]—
n.,
—pl. -sus•es.
a broad-brimmed hat worn by ancient Greek travelers and hunters, often represented in art as a winged hat worn by Hermes or Mercury.
Also,pet•a•sosPronunciation: (pet'u-sus, -sos"). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.