noun
1. Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)
• Syn: ↑Nicolaus Copernicus, ↑Mikolaj Kopernik
• Instance Hypernyms: ↑astronomer, ↑uranologist, ↑stargazer
2. a conspicuous crater on the Moon
• Instance Hypernyms: ↑lunar crater
Useful english dictionary. 2012.