prayer wheel; Mani wheel
A cylindrical wheel used in Tibetan Buddhism, inscribed with the mantra 'Om Mani Padme Hum'; spinning it is believed to accumulate merit.
At Tibetan Buddhist temples, worshippers walk while spinning prayer wheels.
Rarely used kanji form; 摩尼 is an ateji representation of 'Mani'.
From マニ (Mani, referring to the mantra 'Om Mani Padme Hum') + 車 (wheel). The term is a direct translation of the Tibetan concept.