backstop

noun backstop

• bar — A bar is a place where you can buy and drink alcoholic drinks.
• wall — any of various permanent upright constructions having a length much greater than the thickness and presenting a continuous surface except where pierced by doors, windows, etc.: used for shelter, protection, or privacy, or to subdivide interior space, to support floors, roofs, or the like, to retain earth, to fence in an area, etc.
• rail — any of numerous birds of the family Rallidae, that have short wings, a narrow body, long toes, and a harsh cry and inhabit grasslands, forests, and marshes in most parts of the world.
• dike — a contemptuous term used to refer to a lesbian.
• roadblock — an obstruction placed across a road, especially of barricades or police cars, for halting or hindering traffic, as to facilitate the capture of a pursued car or inspection for safety violations.