Eurostar /ˈjʊəɹəʊstɑː(ɹ)/ noun2 •A train on these services. •A British Rail Class 373 (now largely superseded by Class 374) on any service.Now that the Mallard upgrade to GNER's Mark 4 coaches is complete the entire fleet is now available for service and the Eurostars are no longer required to maintain the timetable. — 2006 formsEurostars