We found 21 dictionaries that define the word keys:

General (13 matching dictionaries)

1. keys: Merriam-Webster
2. Keys, keys: Oxford Learner's Dictionaries
3. keys: Collins English Dictionary
4. Keys, keys: Vocabulary.com
5. Key's, Keys, key's, keys: Wordnik
6. keys: Cambridge Advanced Learner's Dictionary
7. Keys, keys: Wiktionary
8. keys: Dictionary.com
9. keys: Cambridge Essential American English Dictionary
10. KEYS, Keys (surname), Keys, The Keys (English band), The Keys (Seinfeld), The Keys (Seinfeld episode), The Keys: Wikipedia, the Free Encyclopedia
11. Keys: Rhymezone
12. Keys, Keys: Dictionary of Phrase and Fable (1898)
13. keys: TheFreeDictionary.com

Business (1 matching dictionary)

14. keys: Legal dictionary

Computing (1 matching dictionary)

15. keys: Encyclopedia

Miscellaneous (3 matching dictionaries)

16. KEYS: Acronym Finder
17. AbbreviationZ (No longer online)
18. keys: Idioms

Slang (3 matching dictionaries)

19. keys: Green’s Dictionary of Slang
20. Totally Unofficial Rap (No longer online)
21. keys: Urban Dictionary

(Note: See key as well.)

Definitions from Wiktionary (Keys) ▸ noun:  (music) keyboard ▸ noun:  A surname. ▸ noun:  (with the) The Florida Keys. ▸ noun:  (with the) The House of Keys. Similar: winder, Discover, describe, tonality, identify, cardinal, significant, KG, fundamental, important, more... Opposite: locks, secrets, answers, closures, obstructions Types: house key, car key, padlock key, skeleton key, master key, smart key, transponder key, valet key, more... Phrases: keys in, Arrow keys, car keys, Florida Keys, function keys, more... Adjectives: different, primary, public, foreign, major, black, private, several, special, minor, white Colors:     silver,     gold,     black,     white,     bronze, more... ▸ Words similar to keys ▸ Usage examples for keys ▸ Idioms related to keys ▸ Wikipedia articles (New!) ▸ Popular adjectives describing keys ▸ Words that often appear near keys ▸ Rhymes of keys ▸ Invented words related to keys