- (n.) A plant of the genus Callistephus. Many varieties (called China asters, German asters, etc.) are cultivated for their handsome compound flowers.
- (n.) A genus of herbs with compound white or bluish flowers; starwort; Michaelmas daisy.
- (n.) A star-shaped figure of achromatic substance found chiefly in cells dividing by mitosis.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). aster. Retrieved September 22, 2026, from http://smartdefine.org/aster/definitions/1976587 |
| Chicago | Webster's. 2011. "aster" http://smartdefine.org/aster/definitions/1976587 (accessed September 22, 2026). |
| Harvard | Webster's 2011, aster, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/aster/definitions/1976587>. |
| MLA | Webster's. "aster" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/aster/definitions/1976587> |