noun
- The cardinal number that is the sum of three and one.
- synonyms: four, 4, IV, tetrad, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). quatern. Retrieved September 22, 2026, from http://smartdefine.org/quatern/definitions/1305004 |
| Chicago | WordNet. 2010. "quatern" http://smartdefine.org/quatern/definitions/1305004 (accessed September 22, 2026). |
| Harvard | WordNet 2010, quatern, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/quatern/definitions/1305004>. |
| MLA | WordNet. "quatern" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/quatern/definitions/1305004> |