We found 31 dictionaries that define the word routing:

General (15 matching dictionaries)

1. routing: Merriam-Webster
2. routing: Oxford Learner's Dictionaries
3. routing: Collins English Dictionary
4. routing: Vocabulary.com
5. Routing, routing: Wordnik
6. routing: Cambridge Advanced Learner's Dictionary
7. routing: Wiktionary
8. routing: Infoplease Dictionary
9. Routing, routing: Dictionary.com
10. routing: Cambridge Essential American English Dictionary
11. Routing (EDA), Routing (disambiguation), Routing (electronic design automation), Routing (hydrology), Routing: Wikipedia, the Free Encyclopedia
12. Routing: Online Plain Text English Dictionary
13. Routing: AllWords.com Multi-Lingual Dictionary
14. routing: FreeDictionary.org
15. routing: TheFreeDictionary.com

Business (4 matching dictionaries)

16. Travel Industry Dictionary (No longer online)
17. eyefortransport e-commerce transportation glossary (No longer online)
18. routing: Legal dictionary
19. BusinessDictionary.com (No longer online)

Computing (4 matching dictionaries)

20. routing: Free On-line Dictionary of Computing
21. Routing: Linktionary Networking Glossary
22. Webopedia (No longer online)
23. Routing (disambiguation), routing: Encyclopedia

Medicine (1 matching dictionary)

24. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

25. routing: Idioms

Slang (2 matching dictionaries)

26. routing: Green’s Dictionary of Slang
27. routing: Urban Dictionary

Tech (4 matching dictionaries)

28. routing: Webster's New World Telecom Dictionary
29. Lake and Water Word Glossary (No longer online)
30. National Weather Service Glossary (No longer online)
31. Space and Electronic Warfare Lexicon (No longer online)

(Note: See route as well.)

Definitions from Wiktionary (routing) ▸ noun:  (networking) A method of finding paths from origins to destinations in a network such as the Internet, along which information can be passed. ▸ noun:  A channel cut in a material such as wood with a router or gouge. Similar: mob, groove, gouge, expel, spread-eagle, rootle, spreadeagle, rabble, discomfit, discomfiture, more... Opposite: diverging, scattering, dispersing, separating, distributing Types: static, dynamic, default, policy-based, source-based, link-state, distance-vector, more... Phrases: Routing table, Routing protocol, routing protocols, routing tables, routing algorithm, more... Adjectives: dynamic, based, adaptive, static, multicast, alternate, optimal, global, efficient, hierarchical, direct Colors:     red,     blue,     green,     yellow,     orange, more... ▸ Words similar to routing ▸ Usage examples for routing ▸ Idioms related to routing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing routing ▸ Words that often appear near routing ▸ Rhymes of routing ▸ Invented words related to routing