Pronunciation: (klā'vus, klä'-), [key]
—pl. -viPronunciation: (-vī, -vē). [key]
1. Psychiatry.an intense headache in which the pain is likened to one that would be produced by a sharp object driven into the skull.
2. (in ancient Rome) a vertical stripe or band of purple worn on the tunic by senators and equites.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.