We found 18 dictionaries that define the word dbl:

General (8 matching dictionaries)

1. dbl: Merriam-Webster
2. Dbl, dbl: Wordnik
3. dbl: Webster's New World College Dictionary, 4th Ed.
4. dbl: The Wordsmyth English Dictionary-Thesaurus
5. dbl: Infoplease Dictionary
6. dbl, dbl: Dictionary.com
7. DBL, Dbl: Wikipedia, the Free Encyclopedia
8. dbl: Wiktionary

Art (1 matching dictionary)

9. Glossary of Stamp Collecting Terms (No longer online)

Business (2 matching dictionaries)

10. Travel Industry Dictionary (No longer online)
11. Abbreviations in shipping (No longer online)

Computing (1 matching dictionary)

12. Dbl: Encyclopedia

Medicine (2 matching dictionaries)

13. dbl: Merriam-Webster Medical Dictionary
14. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

15. DBL: Acronym Finder
16. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

17. DBL: Urban Dictionary

Tech (1 matching dictionary)

18. AUTOMOTIVE TERMS (No longer online)

Definitions from Wiktionary (Dbl) ▸ noun:  Abbreviation of double. [Twice the number, amount, size, etc.] ▸ Words similar to dbl ▸ Usage examples for dbl ▸ Idioms related to dbl ▸ Wikipedia articles (New!) ▸ Popular adjectives describing dbl ▸ Words that often appear near dbl ▸ Rhymes of dbl ▸ Invented words related to dbl