n., pl., terrae in·cog·ni·tae (ĭn'kŏg-nē'tē, -kŏg'nĭ-tē').
- An unknown land; an unexplored region: "a vast and virtually final terra incognita left to terrestrial explorers" (David F. Salisbury).
- A new or unexplored field of knowledge.
[New Latin : Latin terra, land + incognita, feminine of incognitus, unknown.]





