Webster's 1913 Dictionary

OM

OM Om, interj. & n. [Also Aum, Um. ] [Skr. om. ]

 

Defn: 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.

 

New American Oxford Dictionary

OM

OM ▶abbreviation (in the UK ) Order of Merit.

 

om

om |ōm oʊm | ▶noun Hinduism & Tibetan Buddhism a mystic syllable, considered the most sacred mantra. It appears at the beginning and end of most Sanskrit recitations, prayers, and texts. ORIGIN Sanskrit, sometimes regarded as three sounds, a-u-m, symbolic of the three major Hindu deities.

 

Oxford Dictionary

OM

OM ▶abbreviation (in the UK ) Order of Merit.

 

om

om |əʊm, ɒm | ▶noun a mystic syllable, considered the most sacred mantra in Hinduism and Tibetan Buddhism. It appears at the beginning and end of most Sanskrit recitations, prayers, and texts. ORIGIN Sanskrit, sometimes regarded as three sounds, a-u-m, symbolic of the three major Hindu deities.

 

Duden Dictionary

om

om |o m |sanskritisch magische Silbe des Brahmanismus , die als Hilfe zur Befreiung in der Meditation gesprochen wird

 

Sanseido Dictionary

OM

OM 〖 Sultanate of Oman 〗オマーン 。ISO の国 地域コードの一 。

 

Sanseido Wisdom Dictionary

OM

OM ｟英 ｠Order of Merit (メリット勲位 [勲章 ]).