geostatic pressure, ground pressure, lithostatic pressure, rock pressure The pressure exerted on a rock formation by movements of the earth. Cross references of word families related directly, or indirectly, to: 'land, ground, fields, soil, dirt, mud, clay, earth (world)': agra-; agrest-; agri-; agro-; argill-; choro-; chthon-; epeiro-; gl...