Definitions
1.nounA point on a railway system where goods are loaded, unloaded or transferred to other transport.
2.nounThe furthest point on a railroad/railway under construction to which rails have been laid.
3.nounThe top surface (head) of a rail.
4.nounAn area of hostile territory at the end of a rail line that, when captured, serves for the continuous movement into position of further troops and material.