Definition of "wampum"
wampum
/ˈwɒmpəm/
noun
countable and uncountable, plural wampums or wampum
(uncountable) Small cylindrical beads made from polished shells (especially white ones) which have been strung together, formerly used by Native American peoples of eastern North America for various purposes including as jewellery and money, and for record-keeping; (countable, archaic) one such bead.
(uncountable, slang) Money.