(n.) An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). orrery. Retrieved September 25, 2026, from http://smartdefine.org/orrery/definitions/2039543 |
| Chicago | Webster's. 2011. "orrery" http://smartdefine.org/orrery/definitions/2039543 (accessed September 25, 2026). |
| Harvard | Webster's 2011, orrery, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/orrery/definitions/2039543>. |
| MLA | Webster's. "orrery" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/orrery/definitions/2039543> |