We found 21 dictionaries that define the word abbr:

General (14 matching dictionaries)

1. abbr: Merriam-Webster
2. abbr: Oxford Learner's Dictionaries
3. abbr: American Heritage Dictionary of the English Language
4. abbr, abbr: Collins English Dictionary
5. abbr: Wordnik
6. abbr: Wiktionary
7. abbr: Webster's New World College Dictionary, 4th Ed.
8. abbr: The Wordsmyth English Dictionary-Thesaurus
9. abbr: Infoplease Dictionary
10. abbr, abbr: Dictionary.com
11. ABBR: Wikipedia, the Free Encyclopedia
12. abbr: TheFreeDictionary.com
13. abbr: Longman Dictionary of Contemporary English
14. abbr: Merriam-Webster

Business (1 matching dictionary)

15. Abbr, abbr: Legal dictionary

Computing (1 matching dictionary)

16. Abbr, abbr: Encyclopedia

Medicine (1 matching dictionary)

17. Abbr: Natural Health glossary

Miscellaneous (3 matching dictionaries)

18. abbr, abbr, abbr: Terminology and Descriptions of Geneaological Words
19. abbr: Acronym Finder
20. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

21. abbr: Urban Dictionary

Definitions from Wiktionary (Abbr) ▸ noun:  Alternative spelling of abbr. Similar: abbr., abbrev, abbrev., abbreviation, preceder, acronym, abbreviated, initialism, prefix, designator, more... Opposite: abbreviation, full form, expansion Types: ASAP, I'm, e.g., Dr., Mr., Mrs., Ms., Sr., more... Phrases: envelope abbr, sell by date abbr, middle abbr, way of doing things abbr, alliance abbr, more... Adjectives: other, postai, common, postal, german, polish, synonymous, nuclear, like ▸ Words similar to abbr ▸ Usage examples for abbr ▸ Idioms related to abbr ▸ Wikipedia articles (New!) ▸ Popular adjectives describing abbr ▸ Words that often appear near abbr ▸ Rhymes of abbr ▸ Invented words related to abbr