Multiple units (MU) are self-propelled train carriages capable of coupling with other units of the same or similar type and still being controlled from one driving cab. Often these are passenger trainsets consisting of more than one carriage. Single self-propelling carriages (also called railcars, rail motor coaches or railbuses) are multiple unit...
Found on
http://en.wikipedia.org/wiki/Multiple_unit
Trains that can (in most cases) be coupled together to form longer trains. Known as Railcars in other countries.
Found on
http://www.scot-rail.co.uk/page/Glossary
No exact match found.
