Blowhole
From Wikipedia, the free encyclopedia
Look up blowhole in Wiktionary, the free dictionary.
Blowhole may refer to:
- Blowhole (biology), the hole at the top of a whale or other cetacean's head, homologous with a nostril
- Blowhole (geology), a hole at the inland end of a sea cave through which waves funnel up and out
- Blowhole (metallurgy), an internal hole or defect in a cast metal product.