We found 54 dictionaries that define the word per:

General (28 matching dictionaries)

1. per: Longman Dictionary of Contemporary English
2. per, per-: Merriam-Webster
3. per, per, per-: Oxford Learner's Dictionaries
4. per, per, per-: American Heritage Dictionary of the English Language
5. per, per-: Collins English Dictionary
6. per: Vocabulary.com
7. Per, Per, Per, per, per, per-: Wordnik
8. per: Cambridge Advanced Learner's Dictionary
9. Per, per, per-: Wiktionary
10. per, per-: Webster's New World College Dictionary, 4th Ed.
11. per, per-: The Wordsmyth English Dictionary-Thesaurus
12. per: Infoplease Dictionary
13. PER, Per-, per, per-: Dictionary.com
14. per (prep.): Online Etymology Dictionary
15. per: Cambridge Essential American English Dictionary
16. PeR (band), PeR, Per (given name), Per: Wikipedia, the Free Encyclopedia
17. Per-, Per: Online Plain Text English Dictionary
18. per, per-: Webster's Revised Unabridged, 1913 Edition
19. Per-, per, per, per: AllWords.com Multi-Lingual Dictionary
20. per: Webster's 1828 Dictionary
21. per, per-: MyWord.info
22. PER, Per: Stammtisch Beau Fleuve Acronyms
23. per, per-: FreeDictionary.org
24. per: The Phrontistery - A Dictionary of Obscure Words
25. per, per, per-: TheFreeDictionary.com
26. per: Wikimedia Commons US English Pronunciations

Art (2 matching dictionaries)

27. per-: A Cross Reference of Latin and Greek Elements
28. Glossary of Stamp Collecting Terms (No longer online)

Business (8 matching dictionaries)

29. per: Merriam-Webster Legal Dictionary
30. per: Law.com Dictionary
31. Everybody's Legal Dictionary (No longer online)
32. INVESTORWORDS (No longer online)
33. Glossary of Legal Terms (No longer online)
34. Bouvier's Law Dictionary 1856 Edition (No longer online)
35. per: Legal dictionary
36. PER: Financial dictionary

Computing (2 matching dictionaries)

37. PER: Free On-line Dictionary of Computing
38. PER, per-: Encyclopedia

Medicine (4 matching dictionaries)

39. per: Merriam-Webster Medical Dictionary
40. online medical dictionary (No longer online)
41. Neurotrauma Glossary (No longer online)
42. per-: Medical dictionary

Miscellaneous (5 matching dictionaries)

43. baby names list (No longer online)
44. PER-, PER: Acronym Finder
45. PER: Three Letter Words with definitions
46. AbbreviationZ (No longer online)
47. per: Idioms

Science (1 matching dictionary)

48. per: Dictionary of Botanical Epithets

Slang (1 matching dictionary)

49. Per: Urban Dictionary

Tech (3 matching dictionaries)

50. AUTOMOTIVE TERMS (No longer online)
51. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)
52. per-: Construction deterioration & building durability glossary

Definitions from Wiktionary ( ) ▸ adjective:  (rare, nonstandard) Belonging to per, their (singular). Gender-neutral third-person singular possessive adjective, coordinate with gendered his and her. ▸ noun:  (nutrition) Initialism of protein efficiency ratio. Similar: average, each, minimum, total, cent, approximately, roughly, per procurationem, equate, earning per share, more... Opposite: against, contra, versus, anti, opposing Types: per diem, per annum, per capita, per se, more... Phrases: per cent, per year, per capita, per day, per unit, more... Adjectives: deaths, third, nutritional, pounds, average, second, more, miles, high, price, 1975-80 Colors:     periwinkle,     persian blue,     persian green,     persian indigo,     persian orange, more... ▸ Word origin ▸ Words similar to per ▸ Usage examples for per ▸ Idioms related to per ▸ Wikipedia articles (New!) ▸ Popular adjectives describing per ▸ Popular nouns described by per ▸ Words that often appear near per ▸ Rhymes of per ▸ Invented words related to per