What does Terra Viridis mean in Latin?

Terra Viridis, a noun, means “Greenland”.

What is the genitive of Terra Viridis?

The genitive singular is Terrae Viridis. Terra Viridis is first declension.

nounfirst declension

Terra Viridis f sg (genitive Terrae Viridis)

Calqued from Danish Grønland, English Greenland, etc. - therefore, literally "Green Land": terra "land" + viridis "green".

What does Terra Viridis mean in Latin?: Terra Viridis, a noun, means “Greenland”.
What is the genitive of Terra Viridis?: The genitive singular is Terrae Viridis. Terra Viridis is first declension.