1) Eastern Christian liturgy 1) Fasting 
Xerophagy (`dry eating`, from Greek ξηρός `dry` and φαγεῖν `eat`) is the practice of eating dry food, especially food cooked without oil. In Eastern Christianity, xerophagy is the form of fasting observed during Great Lent and certain other fasts, in which vegetables cooked with water and salt are eaten, together with such things...
eating of dry food; fast of dry food in the week preceding Easter
• (n.) Among the primitive Christians, the living on a diet of dry food in Lent and on other fasts.
Xe·roph'a·gy noun [ Latin xerophagia , Greek ...; ... dry + ... to eat.] Among the primitive Christians, the living on a diet of dry food in Lent and on other fasts. 
xerophagy The habitual eating of dry or desiccated (thoroughly dried out) food.