skullcap

noun

skull·​cap ˈskəl-ˌkap 

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

Examples of skullcap in a Sentence

Recent Examples on the Web

Save to wishlist Medicube Zero Pore Pads Plant extracts like cypress leaf and skullcap help balance oil and prevent future congestion, while willow bark extract and salicylic acid clear out dead skin and visibly tighten pores. — Kiana Murden, Vogue, 8 Sep. 2026

Then there’s Baicapil, a blend of baikal skullcap (a flowering plant native to East Asia), wheat germ, and soybean germ extracts intended to encourage a healthy hair-growth cycle. — Christa Joanna Lee, Allure, 28 Aug. 2026

Uzbek fans have reveled in the chance to showcase their country and culture, staying behind long after the matches ended to pose for photos as steppe warriors, give away the country's ubiquitous embroidered duppy skullcaps, or just joyously dance to drums. — Charles Maynes, NPR, 27 June 2026

Another promotional video for Rededicate 250 blends various Christian and American imagery — scenes of a cross laid on an American flag, a robed choir, people raising their hands in worship — along with a brief scene of a man praying while wearing a Jewish skullcap. — Peter Smith, Chicago Tribune, 14 May 2026

Word History

First Known Use

1682, in the meaning defined at sense 1

Rhymes for skullcap

• bandgap
• bitmap
• blackcap
• blackstrap
• bootstrap
• burlap
• claptrap
• entrap
• foolscap
• kidnap
• kneecap
• madcap

Kids Definition

skullcap

noun

skull·​cap ˈskəl-ˌkap 

: a close-fitting cap

especially : a light cap without brim for indoor wear

Medical Definition

skullcap

noun

skull·​cap ˈskəl-ˌkap 

: the upper portion of the skull : calvarium