We found 32 dictionaries that define the word usenet:

General (13 matching dictionaries)

1. usenet: Longman Dictionary of Contemporary English
2. Usenet, Usenet: Merriam-Webster
3. Usenet: Oxford Learner's Dictionaries
4. Usenet: American Heritage Dictionary of the English Language
5. Usenet: Collins English Dictionary
6. Usenet, usenet: Wordnik
7. Usenet: Wiktionary
8. Usenet: Infoplease Dictionary
9. Usenet: Dictionary.com
10. USENET, UseNet, Usenet: Wikipedia, the Free Encyclopedia
11. Usenet: TheFreeDictionary.com

Business (1 matching dictionary)

12. BusinessDictionary.com (No longer online)

Computing (14 matching dictionaries)

13. Usenet: Free On-line Dictionary of Computing
14. Usenet: Netlingo
15. Usenet: CCI Computer
16. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
17. CNET Internet Glossary (No longer online)
18. USENET: ILC Internet Terms
19. Internet Terms (No longer online)
20. Internet Terms (No longer online)
21. USENET: Linktionary Networking Glossary
22. Webopedia (No longer online)
23. USENET: Hacking Lexicon
24. Data Formats and Their Sugggested File Extensions (No longer online)
25. I T Glossary (No longer online)
26. UseNet: Encyclopedia

Medicine (1 matching dictionary)

27. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

28. USENET: Acronym Finder
29. AbbreviationZ (No longer online)

Tech (1 matching dictionary)

30. Usenet: Web Hosting Glossary

Definitions from Wiktionary (Usenet) ▸ noun:  (Internet) A world-wide distributed discussion system consisting of newsgroups that are classified hierarchically by subject. Similar: netnews, Usenetian, newsgroup, news, Usenetite, newsboard, netmail, Usenet Death Penalty, Internet forum, newsreader, more... Opposite: closed network, private forum Phrases: usenet news, Usenet newsgroup, usenet death penalty, Usenet personality, more... Adjectives: available, entire, anonymous, many, various, fabulous ▸ Words similar to usenet ▸ Usage examples for usenet ▸ Idioms related to usenet ▸ Wikipedia articles (New!) ▸ Popular adjectives describing usenet ▸ Words that often appear near usenet ▸ Rhymes of usenet ▸ Invented words related to usenet