We found 17 dictionaries that define the word greys:

General (10 matching dictionaries)

1. greys: Merriam-Webster
2. Greys, the Greys: Collins English Dictionary
3. Greys, greys: Vocabulary.com
4. Grey's, Greys, Greys, grey's, greys: Wordnik
5. greys: Cambridge Advanced Learner's Dictionary
6. Greys, greys: Wiktionary
7. greys: Dictionary.com
8. Greys: Wikipedia, the Free Encyclopedia
9. Greys: Dictionary of Phrase and Fable (1898)
10. Greys: TheFreeDictionary.com

Computing (1 matching dictionary)

11. greys: Encyclopedia

Medicine (2 matching dictionaries)

12. greys: Merriam-Webster Medical Dictionary
13. greys: Medical dictionary

Miscellaneous (2 matching dictionaries)

14. greys: Idioms
15. Third Eye's Paranormal (No longer online)

Slang (2 matching dictionaries)

16. greys: Green’s Dictionary of Slang
17. Grey's, greys: Urban Dictionary

(Note: See grey as well.)

Definitions from Wiktionary (greys) ▸ noun:  (UK, prison slang) Grey trousers and/or jackets worn by prisoners on relatively formal occasions. Similar: hoar, gray, greyish, grayish, hoary, grey-haired, gray-haired, grey-headed, white-haired, gray-headed, more... Opposite: colors, hues, shades, tints, pigments Phrases: scots greys, silver greys, greys out, Royal Scots Greys, Empire State Greys, more... Adjectives: dark, soft, blue, african, light, delicate, cool, silver, pale, dull, warm ▸ Words similar to greys ▸ Usage examples for greys ▸ Idioms related to greys ▸ Wikipedia articles (New!) ▸ Popular adjectives describing greys ▸ Words that often appear near greys ▸ Rhymes of greys ▸ Invented words related to greys