'Thousand shrine visits'. A form of pilgrimage (junpai) popular from late medieval times which involved visits to numerous diferent shrines on the basis that this generated more merit than repeated visits to a single shrine (see Okage-mairi). The practice of senja mairi was prohibited during the Tempo era (1831-45) shortly before the collapse of the shogunate.
A Popular Dictionary of Shinto. Brian Bocking.