We found 15 dictionaries that define the word nines:

General (10 matching dictionaries)

1. nines: Merriam-Webster
2. nines: Collins English Dictionary
3. nines: Vocabulary.com
4. Nine's, Nines, nine's, nines: Wordnik
5. Nines, nines: Wiktionary
6. nines: Dictionary.com
7. nines: Online Etymology Dictionary
8. NINES (initiative), Nines (card game), Nines (engineering), Nines (film), Nines (notation), Nines (rapper), Nines, The Nines (band), The Nines (hotel), The Nines: Wikipedia, the Free Encyclopedia
9. nines: Stammtisch Beau Fleuve Acronyms
10. Nines: TheFreeDictionary.com

Computing (1 matching dictionary)

11. Nines: Encyclopedia

Miscellaneous (1 matching dictionary)

12. Nines: Idioms

Slang (2 matching dictionaries)

13. nines: Green’s Dictionary of Slang
14. Nines: Urban Dictionary

Sports (1 matching dictionary)

15. Hickok Sports Glossaries (No longer online)

(Note: See nine as well.)

Definitions from Wiktionary (nines) ▸ noun:  (poker slang) A pair of nines. Similar: ennead, Ix, cardinal, club, niner, ball club, baseball club, nina from carolina, sixes, sevens, more... Types: 9, 19, 29, 39, 49, 59, 69, 79, 89, more... Phrases: five nines, nines complement, dressed to the nines, ninety nines, rule of nines, more... Adjectives: long, ninety, five, many, local, point, several, professional, american, black, standard ▸ Word origin ▸ Words similar to nines ▸ Usage examples for nines ▸ Idioms related to nines ▸ Wikipedia articles (New!) ▸ Popular adjectives describing nines ▸ Words that often appear near nines ▸ Rhymes of nines ▸ Invented words related to nines