noun
- A multiple star with 6 components; second brightest in Gemini; close to Pollux.
- synonyms: Alpha Geminorum
- A shaker with a perforated top for sprinkling powdered sugar.
- synonyms: caster
- A pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable.
- synonyms: caster
- A hat made with the fur of a beaver (or similar material.
- synonyms: beaver
- Type genus of the Castoridae: beavers.
- synonyms: genus Castor
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). castor. Retrieved September 20, 2026, from http://smartdefine.org/castor/definitions/1199446 |
| Chicago | WordNet. 2010. "castor" http://smartdefine.org/castor/definitions/1199446 (accessed September 20, 2026). |
| Harvard | WordNet 2010, castor, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/castor/definitions/1199446>. |
| MLA | WordNet. "castor" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/castor/definitions/1199446> |