Pronunciation: (wom'pum, wôm'-), [key]
1. Also called peag, seawan, sewan. cylindrical beads made from shells, pierced and strung, used by North American Indians as a medium of exchange, for ornaments, and for ceremonial and sometimes spiritual purposes, esp. such beads when white but also including the more valuable black or dark-purple varieties.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.