- a small, brimless close-fitting cap, often made of silk or velvet, worn on the crown of the head, as for religious functions.
- the domelike roof of the skull.
- any of various plants belonging to the genus Scutellaria, of the mint family, having a calyx resembling a helmet.
- a rounded brimless hat fitting the crown of the head
- the nontechnical name for calvaria
- any of various perennial plants of the genus Scutellaria, esp S. galericulata, that typically have helmet-shaped flowers: family Lamiaceae (labiates)
