Dictionary
or•rer•y
Pronunciation: (ôr'u-rē, or'-), [key]—
n.,
—pl. -rer•ies.
1. an apparatus for representing the positions, motions, and phases of the planets, satellites, etc., in the solar system.
2. any of certain similar machines, as a planetarium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.