washing a corpse for burial
sprinkling (water); watering (plants)
service celebrating the birth of the Buddha (held on April 8); Buddha's birthday festival
baptism-like ceremony performed by the buddhas on a bodhisattva who attains buddhahood; baptism-like ceremony for conferring onto someone precepts, a mystic teaching, etc. (in esoteric Buddhism); pouring water onto a gravestone; teaching esoteric techniques, compositions, etc. (in Japanese poetry or music)
consecration ritual for the conferral of the status of Acharya (in esoteric Buddhism)
irrigation; lavage; affusion; supplying (water); irrigation; pouring (into)