Entry 1 sense Webster, 1913 Xerophagy · Xe·roph·a·gy · IPA /zɪəˈɹɒfədʒi/ 01 n. Among the primitive Christians, the living on a diet of dry food in Lent and on other fasts. 1. Among the primitive Christians, the living on a diet of dry food in Lent and on other fasts.