siding

siding
noun

a short track at the side of and opening on to a railway line, used chiefly for shunting or stabling trains
（铁路的）侧线，岔线
■(N. Amer.)a loop line
(北美)环线，圈线
■(S. African)a scheduled stop for goods and passenger trains, often in open country, for farming produce to be loaded and passengers taken on board
(南非)（常设在空旷乡村供装载农产品和上下乘客的）火车停靠站
[mass noun](N. Amer.)cladding material for the outside of a building
(北美)建筑物覆面材料