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terra incognita

1 ENTRIES FOUND:
terra incognita /ˈterəˌɪnˌkɑːgˈniːtə/ noun
plural terrae incognitae /ˈterˌaɪˌɪnˌkɑːgˈniːˌtaɪ/
terra incognita
/ˈterəˌɪnˌkɑːgˈniːtə/
noun
plural terrae incognitae /ˈterˌaɪˌɪnˌkɑːgˈniːˌtaɪ/
Britannica Dictionary definition of TERRA INCOGNITA
[count] formal
: a place that has not been discovered or that is unknown often used figuratively