Pronunciation: (tOO-pā'), [key]
1. a man's wig.
2. a patch of false hair for covering a bald spot.
3. (formerly) a curl or an artificial lock of hair on the top of the head, esp. as a crowning feature of a periwig.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.