Lacus Veris (Moon)

"Lake of Spring"

Lacus Veris is a small lunar mare. A 1989 study performed at the NASA Johnson Space Center proposed this mare for the location of a future manned lunar based. This small, roughly crescent-shaped mare region lies. (wikipedia entry)

A lacus is a "lake" or small plain. On the Moon they are named after latin terms describing weather and other abstract concepts.