abbr.
air-to-underwater missile空对水下导弹,空对潜(艇)导弹

[ noun ]
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
<noun.group>
in 1995 Aum members released deadly sarin gas on a Tokyo subway train

Om \Om\, interj. & n. [Also {Aum}, {Um}.] [Skr. [=o]m.]
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.
[Webster 1913 Suppl.]


Aam \Aam\ ([add]m or [aum]m), n. [D. aam, fr. LL. ama; cf. L.
hama a water bucket, Gr. ?]
A Dutch and German measure of liquids, varying in different
cities, being at Amsterdam about 41 wine gallons, at Antwerp
361/2, at Hamburg 383/4. [Written also {Aum} and {Awm}.]
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Aum \Aum\, n.
Same as {Aam}.