We found 29 dictionaries that define the word dry run:

General (21 matching dictionaries)

1. dry run: Merriam-Webster
2. dry run: Oxford Learner's Dictionaries
3. dry run: American Heritage Dictionary of the English Language
4. dry run: Collins English Dictionary
5. dry run: Vocabulary.com
6. dry-run: Wordnik
7. dry run: Cambridge Advanced Learner's Dictionary
8. dry-run, dry run: Wiktionary
9. dry run: The Wordsmyth English Dictionary-Thesaurus
10. dry run: Infoplease Dictionary
11. dry-run, dry run: Dictionary.com
12. Dry Run (Susquehecka Creek), Dry Run (Susquehecka Creek tributary), Dry Run (film), Dry Run (testing), Dry run (terrorism), Dry run (testing), Dry run: Wikipedia, the Free Encyclopedia
13. dry run: Rhymezone
14. dry run: FreeDictionary.org
15. dry run: Mnemonic Dictionary
16. Dry Run: The Word Detective
17. dry run: TheFreeDictionary.com
18. Dry run: World Wide Words
19. dry run: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

20. Technical Glossary of Theatre Terms (No longer online)

Business (2 matching dictionaries)

21. MoneyGlossary.com (No longer online)
22. dry run: Legal dictionary

Computing (2 matching dictionaries)

23. dry run: Free On-line Dictionary of Computing
24. dry run: Encyclopedia

Medicine (1 matching dictionary)

25. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

26. dry run: Idioms

Slang (1 matching dictionary)

27. dry run: Urban Dictionary

(Note: See dry_runs as well.)

Definitions from Wiktionary (dry run) ▸ noun:  (idiomatic) A practice; a rehearsal. Similar: run through, rehearsal, dummy run, practice run, run-through, trial run, runthrough, roadtest, prerehearsal, testrun, more... Opposite: live run, wet run, actual run Types: test, rehearsal, simulation, practice, exercise, more... Phrases: dry run preposition, more... Adjectives: present, runthrough, trial, upstage, opening, check, lead, pilot, moving, set, stand-up ▸ Words similar to dry run ▸ Usage examples for dry run ▸ Idioms related to dry run ▸ Wikipedia articles (New!) ▸ Words that often appear near dry run ▸ Rhymes of dry run ▸ Invented words related to dry run