goa powder Meaning, Definition & Usage

  1. noun a bitter yellow powder used to treat skin diseases
    chrysarobin; araroba.

WordNet

Go"a pow"der
Etymology
So called from Goa, on the Malabar coast, whither it was shipped from Portugal.
Definitions
  1. 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.

Webster 1913