We found 24 dictionaries that define the word thru:

General (20 matching dictionaries)

1. thru: Longman Dictionary of Contemporary English
2. thru: Merriam-Webster
3. thru: Oxford Learner's Dictionaries
4. thru: American Heritage Dictionary of the English Language
5. thru: Collins English Dictionary
6. Thru, thru: Wordnik
7. thru: Cambridge Advanced Learner's Dictionary
8. thru: Wiktionary
9. thru: Webster's New World College Dictionary, 4th Ed.
10. thru: The Wordsmyth English Dictionary-Thesaurus
11. thru: Infoplease Dictionary
12. thru: Dictionary.com
13. Thru: Wikipedia, the Free Encyclopedia
14. Thru: Online Plain Text English Dictionary
15. thru: Webster's Revised Unabridged, 1913 Edition
16. Thru: AllWords.com Multi-Lingual Dictionary
17. thru: FreeDictionary.org
18. thru: TheFreeDictionary.com

Business (1 matching dictionary)

19. Travel Industry Dictionary (No longer online)

Miscellaneous (1 matching dictionary)

20. THRU: Acronym Finder

Slang (1 matching dictionary)

21. thru: Urban Dictionary

Tech (1 matching dictionary)

22. National Weather Service Glossary (No longer online)

Definitions from Wikipedia ( ) ▸ noun:  the second solo studio album by American hip hop musician Thavius Beck. Opposite: back, behind, in reverse Types: continue, keep going, keep on, proceed, more... Phrases: pass thru, drive thru, thru hole, look thru, write thru, more... Adjectives: perform, pass, cut, see, clear, flow, pour, follow, walk, click, straight ▸ Words similar to thru ▸ Usage examples for thru ▸ Idioms related to thru ▸ Wikipedia articles (New!) ▸ Popular adjectives describing thru ▸ Words that often appear near thru ▸ Rhymes of thru ▸ Invented words related to thru