Of or pertaining to Nicolaus Copernicus (1473-1543), the influential astronomer. / Of or pertaining to one or more of his theories.

A supporter of the theories of Copernicus.

The epoch in the lunar geologic timescale that occurred between 1.1 billion years ago to the present day.

A district of Rio de Janeiro, Rio de Janeiro, Brazil / the main beach in Rio de Janeiro, located in the eponymous district / (figuratively) a beached area known for partying.

plural of Copenhagen blue

(slang) A police helicopter.

plural of copper chopper

anticopyright

A joint partner (in a business).

To form a joint partnership with somebody.