Search Result for "copernicus": 
Wordnet 3.0

NOUN (2)

1. Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543);
[syn: Copernicus, Nicolaus Copernicus, Mikolaj Kopernik]

2. a conspicuous crater on the Moon; 



WordNet (r) 3.0 (2006):

Copernicus
    n 1: Polish astronomer who produced a workable model of the
         solar system with the sun in the center (1473-1543) [syn:
         Copernicus, Nicolaus Copernicus, Mikolaj Kopernik]
    2: a conspicuous crater on the Moon