1. Rounded brimless cap fitting the crown of the head
   "The rabbi wore a traditional skullcap during the service"
    
2. The dome of the skull
   "The skullcap forms the upper part of the cranium";
   - calvaria
    
3. A herbaceous plant of the genus Scutellaria which has a calyx that, when inverted, resembles a helmet with its visor raised
   "Skullcap is sometimes used in herbal medicine to promote relaxation";
   - helmetflower

Derived forms: skullcaps

Type of: bone, cap, herb, herbaceous plant, os[2]

Part of: braincase, brainpan, cranium

Encyclopedia: Skullcap