A rail secured to uprights and erected along the exposed sides and ends of platforms.
Merriam-Webster Online Dictionary
guardrail (noun)a railing usually against danger - guarding , especially a barrier placed along the edge of a highway at dangerous points
Merriam-Webster Online Thesaurus
guardrail (noun)a protective barrier consisting of a horizontal bar and its supports
SYNONYMS:
balustrade, banister ( bannister), guardrail, railRELATED WORDS:
handrail; taffrail; fenderBorder, Edge, Frontier, Perimeter, Threshold, Obstacle, Hindrance, Obstruction, Safeguard, Guardrail, Balustrade, Barricade, Enclosure, Restriction, Constraint, Demarcation, Confine, Margin, Terminus
