We found 21 dictionaries that define the word referrer:

General (12 matching dictionaries)

1. referrer: Merriam-Webster
2. referrer: Oxford Learner's Dictionaries
3. referrer: Collins English Dictionary
4. Referrer, referrer: Wordnik
5. referrer: Wiktionary
6. Referrer, referrer: Dictionary.com
7. Referrer: Wikipedia, the Free Encyclopedia
8. Referrer: Online Plain Text English Dictionary
9. referrer: Webster's Revised Unabridged, 1913 Edition
10. Referrer: AllWords.com Multi-Lingual Dictionary
11. referrer: FreeDictionary.org
12. Referrer: TheFreeDictionary.com

Business (2 matching dictionaries)

13. referrer: Legal dictionary
14. WebmasterWorld Webmaster and Search Engine Glossary (No longer online)

Computing (5 matching dictionaries)

15. referrer: Free On-line Dictionary of Computing
16. referrer: Netlingo
17. Webopedia (No longer online)
18. Technopedia (No longer online)
19. referrer: Encyclopedia

Medicine (1 matching dictionary)

20. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

21. referrer: Idioms

(Note: See refer as well.)

Definitions from Wiktionary (referrer) ▸ noun:  A person who refers another. ▸ noun:  (Internet) The URL from which a user agent was referred to another URL. Similar: referer, referencer, referendary, redirector, reference, router, refueler, returner, rerouter, refiler, more... Opposite: referrer: referee, recommend, suggest Types: direct, organic, referral, email, social, more... Adjectives: temporal, potential, original, other, particular ▸ Words similar to referrer ▸ Usage examples for referrer ▸ Idioms related to referrer ▸ Wikipedia articles (New!) ▸ Popular adjectives describing referrer ▸ Words that often appear near referrer ▸ Rhymes of referrer ▸ Invented words related to referrer