1) Zen Buddhist terminology 2) Zen meditation 
In Zen Buddhism, sitting meditation or zazen (Japanese
In Zen Buddhism, zazen (literally `seated meditation`; 坐禅; {zh|s=坐禅|t=坐禪|p=zuò chán|w=tso4-ch`an2}) is a meditative discipline that is typically the primary religious practice. The precise meaning and method of zazen varies from school to school, but in general it can be regarded as a means of insight into the nature of existence.......
in Zen Buddhism, seated meditation. The instructions for zazen direct the disciple to sit in a quiet room, breathing rhythmically and easily, with ... [1 related articles]
Zen meditation
Formal seated meditation in Zen Buddhism. Correct posture and breathing are necessary. ...
sitting form of meditation
Aikido term: 'Sitting Zen'
Passive Zen meditation.
Japanese seated meditation
Formal seated meditation in Zen Buddhism. Correct posture and breathing are necessary