noun
1. : a railroad rail set on edge with which a flanged wheel with a conoidal tread is used — contrasted with tram rail
2. : a guardrail laid alongside the main rail at a switch
noun
1. : a railroad rail set on edge with which a flanged wheel with a conoidal tread is used — contrasted with tram rail
2. : a guardrail laid alongside the main rail at a switch
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012