noun

1. a road laid with parallel steel rails along which cars carrying passengers or freight are drawn by locomotives
2. a complete system of such roads, including land, rolling stock, stations, etc.
3. the persons or corporation owning and managing such a system

transitive verb

1. ☆ to transport by railroad
2. ☆ Informal to rush through quickly, esp. so quickly as to prevent careful consideration to railroad a bill through Congress
3. ☆ Slang to cause to go to prison on a trumped-up charge or with too hasty a trial

intransitive verb