We found 17 dictionaries that define the word ballcock:

General (13 matching dictionaries)

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

Computing (1 matching dictionary)

13. ballcock: Encyclopedia

Miscellaneous (1 matching dictionary)

14. ballcock: Wordcraft Dictionary

Slang (2 matching dictionaries)

15. ballcock: Green’s Dictionary of Slang
16. ballcock: Urban Dictionary

(Note: See ballcocks as well.)

Definitions from Wiktionary ( ) ▸ noun:  A floating sphere, attached to a lever, that controls the level of liquid in a cistern. Similar: ball cock, ball valve, ballstock, bubble, stopcock, petcock, firecock, ghurry, balloon, water gauge, more... Opposite: float valve, fill valve, inlet valve ▸ Words similar to ballcock ▸ Usage examples for ballcock ▸ Idioms related to ballcock ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ballcock ▸ Words that often appear near ballcock ▸ Rhymes of ballcock ▸ Invented words related to ballcock