English Wikipedia has an article on:tank carWikipedia Noun tank car (plural tank cars) (rail transport) A railroad car or rolling stock designed to transport liquids or gases. Synonym: tank wagon Coordinate term: tanker truck 1936 September 6, Franklin Roosevelt, 1:16 from the start, in Fireside Chat 8: On Farmers and Laborers, Miller Center:I saw livestock kept alive only because water had been brought to them long distances in tank cars. Translations type of railway car Finnish: säiliövaunu French: wagon-citerne (fr) m German: Kesselwagen m, Tankwaggon m Romanian: vagon-cisternă (ro) n See also chemical car