A skullcap worn by Jewish men and boys, especially those adhering to Orthodox or Conservative Judaism.
A traditional skullcap worn by Orthodox Jewish men and boys: often Conservative and sometimes Reform Jewish males wear it at worship.
Origin of yarmulke
- Yiddish from Polish Ukrainian yarmulka possibly from Turkish yağmurluk rain clothing from yağmur rain
From American Heritage Dictionary of the English Language, 5th Edition