[ skuhl-kap ]
See synonyms for skullcap on
  1. a small, brimless close-fitting cap, often made of silk or velvet, worn on the crown of the head, as for religious functions.

  2. the domelike roof of the skull.

  1. Botany. any of various plants belonging to the genus Scutellaria, of the mint family, having a calyx resembling a helmet.

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Origin of skullcap

First recorded in 1675–85; skull + cap1

Words Nearby skullcap Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use skullcap in a sentence

  • The merchant debated, removing his skullcap, smoothing his grizzled fringe of curls, fitting the cap on again deliberately.

    The Wrong Twin | Harry Leon Wilson
  • Solly Gumble removed his skullcap, fluffed his scanty ring of curls, and drew on the cap again.

    The Wrong Twin | Harry Leon Wilson
  • Sir Peter, an old gentleman in a velvet skullcap, particularly enlarged upon the latter.

    East Lynne | Mrs. Henry Wood
  • Five or six gentlemen, whom I recognized as the directors of the asylum, were standing round the steward in the black skullcap.

    The Count's Millions | Emile Gaboriau
  • She had expected to find an old man with spectacles and a skullcap, the typical pawnbroker one sees in the moving pictures.

British Dictionary definitions for skullcap


/ (ˈskʌlˌkæp) /

  1. a rounded brimless hat fitting the crown of the head

  2. the nontechnical name for calvaria

  1. any of various perennial plants of the genus Scutellaria, esp S. galericulata, that typically have helmet-shaped flowers: family Lamiaceae (labiates)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012