0 a bar attached to a wall that people can hold to help them get up or down somewhere or avoid falling:
A simple grab rail placed by a bath or toilet can make a considerable difference to someone with limited mobility.
With my mother's growing frailty, I had grab rails fixed to the walls and a stair lift installed.
I didn't want everything in my home to be white with grab rails everywhere as if it was a hospital.
As the storm rose we moved around the boat clinging to the grab rails, fighting to keep our footing.