n.
A cloth covering for a cap, having a flap to cover and protect the back of the neck.
[After Sir Henry Havelock (1795-1857), British soldier.]
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.