We found 17 dictionaries that define the word proofs:

General (10 matching dictionaries)

1. proofs: Merriam-Webster
2. proofs: Collins English Dictionary
3. proofs: Vocabulary.com
4. Proof's, Proofs, proof's, proofs: Wordnik
5. proofs: Cambridge Advanced Learner's Dictionary
6. proofs: Wiktionary
7. proofs: Dictionary.com
8. proofs: Cambridge Essential American English Dictionary
9. proofs: TheFreeDictionary.com
10. proofs: Wikimedia Commons US English Pronunciations

Art (1 matching dictionary)

11. Proofs: Numismatic Dictionary

Business (2 matching dictionaries)

12. proofs: Merriam-Webster Legal Dictionary
13. proofs: Legal dictionary

Computing (1 matching dictionary)

14. proofs: Encyclopedia

Medicine (1 matching dictionary)

15. proofs: Medical dictionary

Miscellaneous (2 matching dictionaries)

16. PROOFS: Acronym Finder
17. proofs: Idioms

(Note: See proof as well.)

Definitions from Wiktionary (proofs) ▸ noun:  Samples of the copy and layout of a printed document for review by the author or a proofreader before mass printing. Similar: validation, proofread, imperviable, impervious, proving, cogent evidence, test copy, validating, page proof, printer's proof, more... Opposite: disproofs, refutations, contradictions, denials, rebuttals Types: direct proof, indirect proof, proof by induction, proof by example, proof by exhaustion, more... Phrases: page proofs, galley proofs, mathematical proofs, indirect proofs, reproduction proofs, more... Adjectives: many, such, convincing, mathematical, further, abundant, formal, sufficient, striking, strongest, clear ▸ Words similar to proofs ▸ Usage examples for proofs ▸ Idioms related to proofs ▸ Wikipedia articles (New!) ▸ Popular adjectives describing proofs ▸ Words that often appear near proofs ▸ Rhymes of proofs ▸ Invented words related to proofs