We found 16 dictionaries that define the word umb:

General (6 matching dictionaries)

1. umb: Merriam-Webster
2. Umb, umb: Wordnik
3. UMB, umb, umb-: Wiktionary
4. UMB, umb: Dictionary.com
5. UMB: Stammtisch Beau Fleuve Acronyms
6. UMB: Wikipedia, the Free Encyclopedia

Business (1 matching dictionary)

7. UMB: Financial dictionary

Computing (5 matching dictionaries)

8. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
9. Webopedia (No longer online)
10. UMB: Encyclopedia
11. UMB: Free On-line Dictionary of Computing
12. UMB: CCI Computer

Medicine (1 matching dictionary)

13. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

14. UMB: Acronym Finder
15. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

16. UMB: Urban Dictionary

Definitions from Wiktionary (UMB) ▸ noun:  (dated, computing) Initialism of upper memory block. Similar: hea, Af, sop, bf, rdf, tr, pos, wireless network, bush telegraph, phone tag, more... Phrases: umb scheme, UMB Financial Corporation, more... ▸ Words similar to umb ▸ Usage examples for umb ▸ Idioms related to umb ▸ Wikipedia articles (New!) ▸ Popular adjectives describing umb ▸ Words that often appear near umb ▸ Rhymes of umb ▸ Invented words related to umb