a mechanical apparatus consisting of balls of various sizes arranged as on wires, designed to illustrate the relative motions and positions of the sun, earth, moon, and often other planets
Origin of orreryafter Charles Boyle, Earl of Orrery (1676-1731), for whom one was made
A mechanical model of the solar system or parts of it.
Origin of orreryAfter Charles Boyle, Fourth Earl of Orrery, (1676–1731), for whom one was made.
Named after Charles Boyle, 4th Earl of Orrery (1676-1731), for whom such a device was made.