Dictionary
pe•rei'ra bark"
Pronunciation: (pu-râr'u), [key]the bark of any of several South American trees belonging to the genus
Geissospermum, of the dogbane family, esp. that of
G. vellosii, used in Brazil to allay fever.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.