pet·​a·​sos ˈpe-tə-səs How to pronounce petasos (audio)
variants or petasus
: a broad-brimmed low-crowned hat worn by ancient Greeks and Romans
especially : the winged hat of Hermes

Word History


Latin & Greek; Latin petasus, from Greek petasos; akin to Greek petannynai to spread out

First Known Use

1577, in the meaning defined above

Time Traveler
The first known use of petasos was in 1577

Dictionary Entries Near petasos

Cite this Entry

“Petasos.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2023.

More from Merriam-Webster on petasos

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!