Definition of kriya:
(n) :
(yoga) A technique or practice within a yoga discipline.
(n) :
(yoga) An outward physical manifestation of awakened kundalini, such as spontaneous body movement.
(n) :
doing, performing
(n) :
religious action (i.e. worship)
(n) :
(Hinduism) Kriyā, (personified as a daughter of Daksha and wife of Dharma; or as a daughter of Kardama and wife of Kratu)