cantirāyaṇam (p. 176) s. As expiatory fast of high merit, regulated by the moon's age. It consists in diminishing every day by one mouthful from the fifteenth or the full moon, until it is reduced to one, at the new moon; and then increasing in like manner during the moon's increase, ஓர்திங்கணாள்விரதம். Sa. Chândrâyan'a. 2. Lunar tropics or the middle points of the moon's orbit, சந்திரஅயனம்.