Definitions:

1. A skullcap worn by religious Jewish males especially during prayer. NOUN
   • In many Jewish communities, wearing a yarmulke is a sign of humanity and respect.
2. A small, rounded cap traditionally worn by Jewish men and boys, particularly during prayer, religious services, and other cultural or religious events. NOUN
   • He put on his yarmulke before entering the synagogue for the service.

Synonyms:

• kappel
• kippah
• yamaka