Adjective
(construction, not comparable) Designed to move large quantities of earth or rubble for civil engineering or building purposes.
(figuratively, comparable) Of great significance.
Source: en.wiktionary.orgHKND describes the project as the largest civil earthmoving operation in history. Source: Internet
In the speech, Mao talks about massive earthmoving irrigation projects and numerous big industrial ones, all requiring huge numbers of people. Source: Internet