1. A fence made from metal bars is called a railing or railings. He walked out on to the balcony where he rested his arms on the railing. see also rail
a fence-like barrier or protection built within the roadway shoulder area to be a combined guide and guard for moving vehicular and pedestrian traffic and to prevent or hinder the accidental passage of such traffic beyond the berm line of the roadway
A fence or barrier consisting of one or more horizontal rails and vertical supports
a fence-like construction built at the outermost edge of the roadway or the sidewalk portion of a bridge to protect pedestrians and vehicles; see HANDRAIL
a barrier consisting of a horizontal bar and supports material for making rails or rails collectively