n.
A scaly scurf formed on and shed from the scalp, sometimes caused by seborrhea.
[dand-, of unknown origin + dialectal hurf, scurf (from Old Norse hrufa, crust, scab).]
dandruffy dan'druff·y adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
