road roller

== English == === Alternative forms === road-roller, roadroller === Pronunciation === === Noun === road roller (plural road rollers) A heavy engineering vehicle used to compact asphalt in the construction of roads. Synonym: (informal) steamroller ==== Usage notes ==== Originally powered by steam, and thus often called a steamroller. ==== Descendants ==== → Japanese: ロードローラー (rōdorōrā) ==== Translations ==== === Further reading === road roller on Wikipedia.Wikipedia