We found 15 dictionaries that define the word fours:

General (10 matching dictionaries)

1. fours: Merriam-Webster
2. fours: Collins English Dictionary
3. fours: Vocabulary.com
4. Four's, Fours, Fours, four's, fours: Wordnik
5. fours: Cambridge Advanced Learner's Dictionary
6. fours: Wiktionary
7. fours: Dictionary.com
8. fours: Cambridge Essential American English Dictionary
9. Fours, The Fours: Wikipedia, the Free Encyclopedia
10. Fours: TheFreeDictionary.com

Computing (1 matching dictionary)

11. Fours: Encyclopedia

Miscellaneous (1 matching dictionary)

12. Fours: Idioms

Slang (2 matching dictionaries)

13. fours: Green’s Dictionary of Slang
14. four's, fours: Urban Dictionary

Sports (1 matching dictionary)

15. Fours: Sports Definitions

(Note: See four as well.)

Definitions from Wiktionary (fours) ▸ noun:  (poker slang) A pair of fours. ▸ noun:  (UK, prison slang) The cells located on the third floor. ▸ noun:  (finance, archaic) Shares at a rate of four percent. Similar: foursome, quadruplet, quartet, quaternity, quaternary, quaternion, quatern, tetrad, cardinal, IV, more... Opposite: threes, fives, odd numbers Types: spades, clubs, hearts, diamonds, more... Phrases: all fours, plus fours, petit fours, on all fours, petits fours, more... Adjectives: all, two, plus, seventy, four, twoby, twenty, par, petit, sixty, six ▸ Words similar to fours ▸ Usage examples for fours ▸ Idioms related to fours ▸ Wikipedia articles (New!) ▸ Popular adjectives describing fours ▸ Words that often appear near fours ▸ Rhymes of fours ▸ Invented words related to fours