Definition of Goa stone in US English:

Goa stone


  • A hard lump, typically spherical or egg-shaped, of an artificial material containing a variety of organic and inorganic components (including bezoar, coral, precious metals, aromatics, etc.), grated or shaved into a liquid for use as a (supposed) fever remedy.


Late 17th century; earliest use found in Robert Hooke (1635–1703), natural philosopher.