We found 22 dictionaries that define the word terra incognita:

General (18 matching dictionaries)

1. terra incognita: Merriam-Webster
2. terra incognita: Oxford Learner's Dictionaries
3. terra incognita: American Heritage Dictionary of the English Language
4. terra incognita: Collins English Dictionary
5. terra incognita: Vocabulary.com
6. terra incognita: Wordnik
7. terra incognita: Cambridge Advanced Learner's Dictionary
8. terra incognita: Wiktionary
9. terra incognita: The Wordsmyth English Dictionary-Thesaurus
10. terra incognita: Infoplease Dictionary
11. terra incognita: Dictionary.com
12. terra incognita: Online Etymology Dictionary
13. Terra Incognita (Chris Whitley album), Terra Incognita (Gojira album), Terra Incognita (Juliette Lewis album), Terra Incognita (short story), Terra Incognita, Terra incognita (disambiguation), Terra incognita: Wikipedia, the Free Encyclopedia
14. terra incognita: Rhymezone
15. terra incognita: FreeDictionary.org
16. terra incognita: Mnemonic Dictionary
17. terra incognita: Foreign Words and Phrases
18. terra incognita: TheFreeDictionary.com

Art (1 matching dictionary)

19. terra incognita: Global Glossary

Business (1 matching dictionary)

20. Travel Industry Dictionary (No longer online)

Computing (1 matching dictionary)

21. terra incognita: Encyclopedia

Slang (1 matching dictionary)

22. Terra incognita: Urban Dictionary

(Note: See terrae_incognitae as well.)

Definitions from Wiktionary (terra incognita) ▸ noun:  Land that has never been explored or mapped; uncharted territory. ▸ noun:  (by extension) Ideas or concepts that have not yet been tried or explored. Similar: unknown, unknown region, uncharted territory, virgin territory, as-yet-unknown, unknown unknown, unsearchable, untriedness, wildland, venture, more... Adjectives: wall-to-wall, random, continual, direct, incomprehensive, imperfect, incomplete, inconstant, soft, maybe, partial ▸ Word origin ▸ Words similar to terra incognita ▸ Usage examples for terra incognita ▸ Idioms related to terra incognita ▸ Wikipedia articles (New!) ▸ Words that often appear near terra incognita ▸ Rhymes of terra incognita ▸ Invented words related to terra incognita