noun, American English - a strong metal or concrete barrier along the side of a road that prevents vehicles from going off the road
noun, American English - the lane at the side of a motorway or highway where vehicles can stop in case of breakdown or emergency
noun - the quality of being strange or unusual; the state of being odd or different from what is expected or normal
noun - the quality of being dark, gloomy, or hard to see through; the quality of being unclear or difficult to understand