'Goa powder' definitions:

Definition of 'Goa powder'

From: WordNet
noun
A bitter yellow powder used to treat skin diseases [syn: araroba, Goa powder, chrysarobin]

Definition of 'Goa powder'

From: GCIDE
  • Goa powder \Go"a pow"der\ [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. [1913 Webster]