noun
- Lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). pillow lava. Retrieved September 21, 2026, from http://smartdefine.org/pillow_lava/definitions/1248945 |
| Chicago | WordNet. 2010. "pillow lava" http://smartdefine.org/pillow_lava/definitions/1248945 (accessed September 21, 2026). |
| Harvard | WordNet 2010, pillow lava, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/pillow_lava/definitions/1248945>. |
| MLA | WordNet. "pillow lava" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/pillow_lava/definitions/1248945> |