geomancy Syllabification: (ge·o·man·cy)Pronunciation: /ˈjēəˌmansē/Definition of geomancy noun 1the art of placing or arranging buildings or other sites auspiciously. 2divination from configurations seen in a handful of earth thrown on the ground, or by interpreting lines or textures on the ground. Derivatives geomancerPronunciation: /-sər/ noun geomanticPronunciation: /ˌjēəˈmantik/ adjective geomancy in other Oxford dictionaries Definition of geomancy in the British & World English dictionary