We found 15 dictionaries that define the word catch some z's:

General (8 matching dictionaries)

1. catch some Zs: Oxford Learner's Dictionaries
2. catch some Z's: Vocabulary.com
3. catch some z's, catch some zs, catch some Zs, catch some Z's: Wiktionary
4. catch some z's: Rhymezone
5. catch some zs: FreeDictionary.org
6. catch some Zs: ESL Idiom Page
7. catch some z's: Mnemonic Dictionary
8. catch some Zs, catch some Z's: TheFreeDictionary.com

Business (1 matching dictionary)

9. catch some Zs: Financial dictionary

Computing (1 matching dictionary)

10. catch some Zs, catch some Z's: Encyclopedia

Medicine (1 matching dictionary)

11. catch some Zs: Medical dictionary

Miscellaneous (2 matching dictionaries)

12. AbbreviationZ (No longer online)
13. catch some Zs: Idioms

Slang (2 matching dictionaries)

14. catch some z's: English slang and colloquialisms used in the United Kingdom
15. Catch some Zs, catch some z's: Urban Dictionary

Definitions from Wiktionary (catch some Z's) ▸ verb:  (idiomatic) To sleep. ▸ verb:  Alternative form of catch some z's [(idiomatic) To sleep.] Similar: catch some z's, grab some Zs, grab some Z's, catch someone napping, stack z's, take a nap, catch napping, zonk out, sleep on, sack out, more... Opposite: stay awake, stay up, remain conscious, not sleep ▸ Words similar to catch some z's ▸ Usage examples for catch some z's ▸ Idioms related to catch some z's ▸ Wikipedia articles (New!) ▸ Words that often appear near catch some z's ▸ Rhymes of catch some z's ▸ Invented words related to catch some z's