Pronunciation: (ā'ru, âr'u), [key]
—gen. A•raePronunciation: (ā'rē, âr'ē). [key] Astron.
the Altar, a southern constellation between Triangulum Australe and Scorpius.
Agricultural Research Administration.
1. American Railway Association.
2. Associate of the Royal Academy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.