The term 'Railway Beam' is a type of beam used in railway construction. It is typically made of steel and is used to support the weight of the track and the trains that run on it. The crossword solution for this term is 'SLEEPER', which refers to the wooden or concrete blocks that are placed between the rails and the sleepers to provide additional support. SLEEPER blocks are also used to help keep the track in place and to reduce vibration.