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or pet·a·sus  (pĕt′ə-səs)
1. A wide-brimmed hat worn by ancient Greeks and Romans.
2. Greek Mythology The winged hat of Hermes.

[Greek; see petə- in Indo-European roots.]
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References in periodicals archive ?
En una cara del vaso, se encuentra Odisco, identificado por sus atributos iconograficos: petasos y clamide.
Its 19th century AD elegant mansions create a belle epoque atmosphere, which is destroyed by air (traffic) and noise (cafes) pollution whereas there are allegations that Cape Petasos is considered for further residential development.
Greeks and Romans shared a word for the traveler's hat: the petasos or petasus.