We found 20 dictionaries that define the word pin number:

General (13 matching dictionaries)

1. pin number: Longman Dictionary of Contemporary English
2. PIN number: Oxford Learner's Dictionaries
3. PIN number: Vocabulary.com
4. PIN number: Cambridge Advanced Learner's Dictionary
5. PIN number: Wiktionary
6. pin number: Dictionary.com
7. PIN number, Pin number: Wikipedia, the Free Encyclopedia
8. Pin number: Rhymezone
9. pin number: FreeDictionary.org
10. pin number: Mnemonic Dictionary
11. PIN number: TheFreeDictionary.com

Business (3 matching dictionaries)

12. PIN number: Finance-Glossary.com
13. PIN number: Legal dictionary
14. PIN number: Financial dictionary

Computing (1 matching dictionary)

15. PIN number: Encyclopedia

Medicine (1 matching dictionary)

16. PIN number: Medical dictionary

Miscellaneous (1 matching dictionary)

17. PIN number: Idioms

Slang (1 matching dictionary)

18. PIN Number: Urban Dictionary

(Note: See pin_numbers as well.)

Definitions from Wiktionary (PIN number) ▸ noun:  A common pleonastic form of PIN (in the sense of "personal identification number"). Similar: P.I., pinakion, pword, P. I., peeany, pers., Pyne, pleiopus, passphrase, p'ee, more... Phrases: pin personal identification number, more... ▸ Words similar to pin number ▸ Usage examples for pin number ▸ Idioms related to pin number ▸ Wikipedia articles (New!) ▸ Words that often appear near pin number ▸ Rhymes of pin number ▸ Invented words related to pin number