We found 51 dictionaries that define the word km:

General (24 matching dictionaries)

1. km: Merriam-Webster.com
2. km: Oxford Learner's Dictionaries
3. km: American Heritage Dictionary of the English Language
4. km: Collins English Dictionary
5. KM, Km, km, kM: Wordnik
6. km: Cambridge Advanced Learner's Dictionary
7. km: Webster's New World College Dictionary, 4th Ed.
8. km: The Wordsmyth English Dictionary-Thesaurus
9. km: Infoplease Dictionary
10. .km, km, km: Dictionary.com
11. km: Cambridge Essential American English Dictionary
12. KM (Ground effect vehicle), KM (disambiguation), KM (ekranoplan), KM, Km (hieroglyph), Km, .km: Wikipedia, the Free Encyclopedia
13. km: Rhymezone
14. KM, Km, .km, km: Stammtisch Beau Fleuve Acronyms
15. km: Free Dictionary
16. km: Mnemonic Dictionary
17. km: LookWAYup Translating Dictionary/Thesaurus
18. km: Dictionary/thesaurus
19. KM: Wiktionary

Business (5 matching dictionaries)

20. MoneyGlossary.com (No longer online)
21. Travel Industry Dictionary (No longer online)
22. KM: Bloomberg Financial Glossary
23. KM: Financial dictionary
24. Glossary of Trade and Shipping Terms (No longer online)

Computing (4 matching dictionaries)

25. km: Free On-line Dictionary of Computing
26. KM: Netlingo
27. I T Glossary (No longer online)
28. km: Encyclopedia

Medicine (4 matching dictionaries)

29. Dorland's Illustrated Medical Dictionary (No longer online)
30. Km: MedFriendly Glossary
31. online medical dictionary (No longer online)
32. km: Medical dictionary

Miscellaneous (3 matching dictionaries)

33. CIA World Factbook (No longer online)
34. KM: Acronym Finder
35. AbbreviationZ (No longer online)

Science (4 matching dictionaries)

36. Environmental Terminology Discovery Service (No longer online)
37. km: MATH SPOKEN HERE!
38. km: A Dictionary of Quaternary Acronyms and Abbreviations
39. KM: Zoom Astronomy Glossary

Slang (1 matching dictionary)

40. Km: Urban Dictionary

Tech (6 matching dictionaries)

41. km: Webster's New World Telecom Dictionary
42. KM, km: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING
43. AUTOMOTIVE TERMS (No longer online)
44. Basics of Space Flight Glossary (No longer online)
45. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)
46. Oil Analysis (No longer online)

(Note: See kming as well.)

Definitions from Wiktionary ( ) ▸ noun:  Initialism of knowledge management. [A range of practices used by organisations to identify, create, represent, and distribute knowledge.] Similar: klick, kilometer, kilometre, mph, mile, 125, Aargau, Abruzzi, Abu Dhabi, Achaea, more... Opposite: mile, yard, foot, inch, meter Types: km/h, km/s, km/min, km/hr, km/day, km/month, km/year, more... Phrases: km h, sq km, immunoglobulin km allotypes, km antigens, km sam, more... ▸ Words similar to km ▸ Usage examples for km ▸ Idioms related to km ▸ Civic discussion about km (New!) ▸ Popular adjectives describing km ▸ Words that often appear near km ▸ Rhymes of km ▸ Invented words related to km