We found 20 dictionaries that define the word tests:

General (13 matching dictionaries)

1. tests: Merriam-Webster
2. tests: Collins English Dictionary
3. tests: Vocabulary.com
4. Test's, Tests, test's, tests: Wordnik
5. tests: Cambridge Advanced Learner's Dictionary
6. TESTs, Tests, tests: Wiktionary
7. tests: Dictionary.com
8. tests: Cambridge Essential American English Dictionary
9. Tests (album): Wikipedia, the Free Encyclopedia
10. Tests: Online Plain Text English Dictionary
11. Tests: AllWords.com Multi-Lingual Dictionary
12. tests: FreeDictionary.org
13. tests: TheFreeDictionary.com

Business (2 matching dictionaries)

14. tests: Legal dictionary
15. tests: Financial dictionary

Computing (1 matching dictionary)

16. tests: Encyclopedia

Medicine (2 matching dictionaries)

17. tests: Merriam-Webster Medical Dictionary
18. tests: Medical dictionary

Miscellaneous (1 matching dictionary)

19. tests: Idioms

Tech (1 matching dictionary)

20. DOD Dictionary of Military Terms (No longer online)

(Note: See test as well.)

Definitions from Wikipedia (Tests) ▸ noun:  an album by The Microphones. Opposite: answers, solutions, guesses, responses, results Types: multiple choice, true/false, fill in the blank, short answer, essay, matching, short essay, short answer essay, more... Phrases: laboratory tests, diagnostic tests, intelligence tests, function tests, achievement tests, more... Adjectives: diagnostic, standardized, psychological, statistical, various, standard, nuclear, positive, objective, specific, further ▸ Words similar to tests ▸ Usage examples for tests ▸ Idioms related to tests ▸ Wikipedia articles (New!) ▸ Popular adjectives describing tests ▸ Words that often appear near tests ▸ Rhymes of tests ▸ Invented words related to tests