We found 23 dictionaries that define the word cero:

General (18 matching dictionaries)

1. cero: Merriam-Webster
2. cero, cero-: Oxford Learner's Dictionaries
3. cero: American Heritage Dictionary of the English Language
4. cero, cero-: Collins English Dictionary
5. cero: Vocabulary.com
6. Cero, cero: Wordnik
7. cero, cero-: Wiktionary
8. cero, cero-: Webster's New World College Dictionary, 4th Ed.
9. cero: Infoplease Dictionary
10. Cero, cero, cero-: Dictionary.com
11. CERO, Cero (TV channel), Cero (fish), Cero: Wikipedia, the Free Encyclopedia
12. Cero: Online Plain Text English Dictionary
13. cero: Webster's Revised Unabridged, 1913 Edition
14. cero: Rhymezone
15. Cero, cero: AllWords.com Multi-Lingual Dictionary
16. cero: FreeDictionary.org
17. cero: Mnemonic Dictionary
18. cero, cero-: TheFreeDictionary.com

Art (1 matching dictionary)

19. cero-: A Cross Reference of Latin and Greek Elements

Computing (1 matching dictionary)

20. cero: Encyclopedia

Medicine (1 matching dictionary)

21. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

22. CERO: Acronym Finder

Slang (1 matching dictionary)

23. cero: Urban Dictionary

(Note: See ceros as well.)

Definitions from Wiktionary (cero) ▸ noun:  A large scombroid food fish (Scomberomorus regalis) found chiefly in the West Indies. Similar: kingfish, cavalla, pintado, king mackerel, scomberomorus cavalla, scomberomorus regalis, scomber, scomberoid, mackerel, scombrid, more... Opposite: nonexistent, positive, one, above zero, not zero Types: Diet Coke, Coke Zero, Coke Zero Sugar, Cherry Coke Zero, VanillCoke Zero, more... ▸ Words similar to cero ▸ Usage examples for cero ▸ Idioms related to cero ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cero ▸ Words that often appear near cero ▸ Rhymes of cero ▸ Invented words related to cero