| terra incognita |
| Terra incognita | ‖ [ L. ] An unknown land; unexplored country. The enormous tracts lying outside China proper, still almost terrae incognitae. A. R. Colquhoun. [ Webster 1913 Suppl. ] |
| unknown | (n) an unknown and unexplored region, Syn. unknown region, terra incognita, Example: they came like angels out the unknown |
