We found 20 dictionaries that define the word sides:

General (11 matching dictionaries)

1. sides: Merriam-Webster
2. sides: Collins English Dictionary
3. sides: Vocabulary.com
4. Side's, Sides, side's, sides, sides, sides: Wordnik
5. sides: Cambridge Advanced Learner's Dictionary
6. sides: Wiktionary
7. sides: Dictionary.com
8. sides: Cambridge Essential American English Dictionary
9. Sides (album): Wikipedia, the Free Encyclopedia
10. Sides: Rhymezone
11. sides: TheFreeDictionary.com

Art (2 matching dictionaries)

12. Jazz Humor (No longer online)
13. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (1 matching dictionary)

14. sides: Legal dictionary

Computing (1 matching dictionary)

15. sides: Encyclopedia

Medicine (2 matching dictionaries)

16. sides: Merriam-Webster Medical Dictionary
17. sides: Medical dictionary

Miscellaneous (2 matching dictionaries)

18. SIDES: Acronym Finder
19. sides: Idioms

Slang (1 matching dictionary)

20. sides: Green’s Dictionary of Slang

(Note: See side as well.)

Definitions from Wiktionary (Sides) ▸ noun:  (slang) Clipping of side effects. Similar: sidelong, BY, slope, incline, broadside, face, English, position, bye, root, more... Opposite: center, middle, core, nucleus, heart Types: mashed potatoes, mashed turnips, mashed carrots, mashed cauliflower, mashed beets, mashed parsnips, more... Phrases: Both Sides, opposite sides, sides with, take sides, taking sides, more... Adjectives: opposite, right, different, steep, parallel, hill, long, equal, hand, straight, east ▸ Words similar to sides ▸ Usage examples for sides ▸ Idioms related to sides ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sides ▸ Words that often appear near sides ▸ Rhymes of sides ▸ Invented words related to sides