Aam n.  A Dutch and German measure of liquids, varying in different cities, being at Amsterdam about 41 wine gallons, at Antwerp 36½, at Hamburg 38¼. [Written also Aum and Awm.]
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 Om interj. & n. [Also Aum, Um.] [Skr. ōm.] 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.
 Om mani padme hun, a sacred formula of buddhism (esp. of the Lamaists) translated “O, the Jewel in the Lotus, Amen,” and referring to Amitabha, who is commonly represented as standing or sitting within a lotus.
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 Aum n. Same as Aam.
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 Aum
      n : a terrorist organization whose goal is to take over Japan
          and then the world; based on a religion founded in 1987
          that combines elements of Buddhism with Christianity; "in
          1995 Aum members released deadly sarin gas on a Tokyo
          subway train" [syn: Aum Shinrikyo, Supreme Truth]