from The American Heritage® Dictionary of the English Language, 4th Edition
- A river, about 724 km (450 mi) long, of south-central Russia flowing westward to join the Irtysh River at Omsk.
- n. Hinduism & Buddhism The supreme and most sacred syllable, consisting in Sanskrit of the three sounds (a), (u), and (m), representing various fundamental triads and believed to be the spoken essence of the universe. It is uttered as a mantra and in affirmations and blessings.
from the GNU version of the Collaborative International Dictionary of English
- interj. A mystic syllable or ejaculation used by Hindus and Buddhists in religious rites, -- orig. among the Hindus an exclamation of assent, like Amen, then an invocation, and later a symbol of the trinity formed by Vishnu, Siva, and Brahma.
Sanskrit om, aum.(American Heritage® Dictionary of the English Language, Fourth Edition)