We found 17 dictionaries that define the word sites:

General (10 matching dictionaries)

1. sites: Merriam-Webster
2. sites: Collins English Dictionary
3. sites: Vocabulary.com
4. Site's, Sites, site's, sites, sites: Wordnik
5. sites: Cambridge Advanced Learner's Dictionary
6. sites: Wiktionary
7. SITES: Dictionary.com
8. sites: Cambridge Essential American English Dictionary
9. Sites: Rhymezone
10. sites: TheFreeDictionary.com

Business (2 matching dictionaries)

11. sites: Legal dictionary
12. sites: Financial dictionary

Computing (1 matching dictionary)

13. sites: Encyclopedia

Medicine (2 matching dictionaries)

14. sites: Merriam-Webster Medical Dictionary
15. sites: Medical dictionary

Miscellaneous (2 matching dictionaries)

16. SITES: Acronym Finder
17. AbbreviationZ (No longer online)

(Note: See site as well.)

Definitions from WordNet (Sites) ▸ name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #5646) Opposite: locations, voids, emptiness, nowhere, non-places Types: blogs, wikis, web portals, search engines, news sites, video sites, photo sites, wiki sites, more... Phrases: web sites, binding sites, historic sites, internet sites, active sites, more... Adjectives: other, many, binding, different, several, archaeological, specific, various, multiple, active, common ▸ Words similar to sites ▸ Usage examples for sites ▸ Idioms related to sites ▸ Wikipedia articles (New!) ▸ Words that often appear near sites ▸ Rhymes of sites ▸ Invented words related to sites