Bible Dictionaries
Orrery

Webster's Dictionary

(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.

Bibliography Information
Webster, Noah. Entry for 'Orrery'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/orrery.html. 1828.