zazen

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za·zen

Z0005600 (zä′zĕn′)n. The primary form of meditation in Zen Buddhism, practiced while sitting cross-legged.
[Japanese : za, to sit down (from Early Middle Chinese dzwa'; also the source of Mandarin zuò) + zen, silent meditation; see Zen.]

zazen

(zʌzɛn) n (Buddhism) (in Zen Buddhism) deep meditation undertaken whilst sitting upright with legs crossed