Main Entry: skull·cap

Pronunciation: \ˈskəl-ˌkap\

Function: noun

Date: 1682

1 : a close-fitting cap; especially : a light brimless cap for indoor wear
2 : any of various mints (genus Scutellaria) having a bell-shaped calyx that when inverted resembles a helmet
3 : the upper portion of the skull : calvarium