Orrery

Webster's Dictionary of the English Language

·noun 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.

Related Words

Orrery, Roger Boyle, 1st Earl of
(1621-1679) Statesman and dramatist, third s. of the Earl of Cork, was ed. at Trinity Coll., Dublin...

Short Biographical Dictionary of English Literature by John W. Cousin