a structure or object that impedes free movement | any of numerous widely distributed small wading birds of the family Rallidae having short wings and very long toes for running on soft mud |
any condition that makes it difficult to make progress or to achieve an objective | a horizontal bar (usually of wood or metal) |
anything serving to maintain separation by obstructing vision or access | a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll |
| a barrier consisting of a horizontal bar and supports |
| short for railway |