Crossword clues for orreries
The Collaborative International Dictionary
Orreries
Orrery \Or"re*ry\, n.; pl. Orreries. [So named in honor of the Earl of Orrery.] 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.
Wiktionary
orreries
n. (plural of orrery English)