Nicolaus Copernicus ni·co·laus·copernicus uncommon noun 1. Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543) SynonymsCopernicusNicolaus CopernicusMikolaj Kopernik Related words Broader terms astronomer WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
