A 座禅会, literally meaning "to come together for meditation" is a Zen Buddhist retreat that is usually less intensive and of shorter duration than sesshin. It may comprise a short meeting, without liturgical service, headed by a monastic, or by a group of practitioners without the presence of a teacher. It is also sometimes used to refer to ..
Found on http://en.wikipedia.org/wiki/Zazenkai
group of persons practising zazen; one day gatehring
Found on http://www.horne28.freeserve.co.uk/zenglos.htm
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