We found 34 dictionaries that define the word per diem:

General (19 matching dictionaries)

1. per diem: Longman Dictionary of Contemporary English
2. per diem: Merriam-Webster
3. per diem: Oxford Learner's Dictionaries
4. per diem: American Heritage Dictionary of the English Language
5. per diem: Collins English Dictionary
6. per diem: Vocabulary.com
7. Per-diem, per-diem, per diem: Wordnik
8. per diem: Wiktionary
9. per diem: The Wordsmyth English Dictionary-Thesaurus
10. per diem: Dictionary.com
11. per diem: Online Etymology Dictionary
12. Per diem: Wikipedia, the Free Encyclopedia
13. per diem: Rhymezone
14. per diem: FreeDictionary.org
15. per diem: Mnemonic Dictionary
16. per diem: TheFreeDictionary.com
17. per diem: Infoplease Dictionary

Business (11 matching dictionaries)

18. per diem: Merriam-Webster Legal Dictionary
19. per diem: Law.com Dictionary
20. Everybody's Legal Dictionary (No longer online)
21. Travel Industry Dictionary (No longer online)
22. INVESTORWORDS (No longer online)
23. PER DIEM: Accounting Glossary
24. Glossary of Legal Terms (No longer online)
25. Construction Term Glossary (No longer online)
26. Per Diem: GLOSSARY OF LEGISLATIVE TERMS
27. per diem: Legal dictionary
28. BusinessDictionary.com (No longer online)

Medicine (1 matching dictionary)

29. per diem: Medical dictionary

Science (1 matching dictionary)

30. How Many? A Dictionary of Units of Measurement (No longer online)

Slang (1 matching dictionary)

31. per diem: Urban Dictionary

Tech (1 matching dictionary)

32. Glossary of video terms (No longer online)

(Note: See per_diems as well.)

Definitions from Wiktionary (per diem) ▸ adjective:  Per day; daily. ▸ noun:  A daily stipend. ▸ noun:  A daily allowable limit for expendables. Similar: by the day, quotidian, diurnal, dayly, dailie, daily, du jour, dayflying, daylong, diary, more... Phrases: per diem interest, more... Adjectives: midsemester, quotidian, daily, diel, midterm, horary, diurnal, midmonth, horal, sem ▸ Word origin ▸ Words similar to per diem ▸ Usage examples for per diem ▸ Idioms related to per diem ▸ Wikipedia articles (New!) ▸ Popular nouns described by per diem ▸ Words that often appear near per diem ▸ Rhymes of per diem ▸ Invented words related to per diem