Definify.com
Webster 1913 Edition
Copernican
Co-per′ni-can
,Adj.
Pertaining to Copernicus, a Prussian by birth (b. 1473, d. 1543), who taught the world the solar system now received, called the Copernican system.
Webster 1828 Edition
Copernican
COPERNICAN
,Adj.