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terra incognita
/tˈɛɹə ɪnkɑːɡnˈiːɾə/
/tˈɛɹəɹ ɪnkɒɡnˈiːtə/
Terra incognita
01
an uncharted or unexplored region
Examples
The expedition mapped the terra incognita deep in the jungle.
Ancient maps marked vast areas as terra incognita.
