Webster's Revised Unabridged Dictionary · 1913

Goa powder

Goa powder

[So called from Goa, on the Malabar coast, whither it was shipped from Portugal.]

A bitter powder (also called araroba) found in the interspaces of the wood of a Brazilian tree (Andira araroba) and used as a medicine. It is the material from which chrysarobin is obtained.