xeric Syllabification: (xe·ric)Pronunciation: /ˈzi(ə)rik, ˈzer-/Definition of xeric adjective Ecology (of an environment or habitat) containing little moisture; very dry. Compare with hydric and mesic1.Origin: 1920s: from xero- 'dry' + -icxeric in other Oxford dictionaries Definition of xeric in the British & World English dictionary