# petasus

> English word · Noun · IPA /ˈpɛtəsəs/

## Definitions
1. A broad-brimmed, low-crowned hat worn by the Ancient Greeks and Romans, especially for travelling, and as often pictured to be worn by Hermes (or Mercury); (later also) the brimless winged cap worn by Hermes in later artistic depictions.

## Etymology
Borrowed from Latin petasus, and its source, Koine Greek πέτασος (pétasos), from Ancient Greek πεταννύναι (petannúnai, “to spread out”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/petasus