noun
- Regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). petcock. Retrieved September 20, 2026, from http://smartdefine.org/petcock/definitions/1206695 |
| Chicago | WordNet. 2010. "petcock" http://smartdefine.org/petcock/definitions/1206695 (accessed September 20, 2026). |
| Harvard | WordNet 2010, petcock, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/petcock/definitions/1206695>. |
| MLA | WordNet. "petcock" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/petcock/definitions/1206695> |