transcendental meditation

noun
1.
a technique, based on ancient Hindu writings, by which one seeks to achieve a relaxed state through regular periods of meditation during which a mantra is repeated.
Abbreviation: TM.
Origin
1965-70
British Dictionary definitions for transcendental meditation

Transcendental Meditation

noun
1.
trademark (US) a technique, based on Hindu traditions, for relaxing and refreshing the mind and body through the silent repetition of a mantra. Disseminated by an international organization founded by Maharishi Mahesh Yogi (1917-2008), an Indian-born guru TM