Railing (noun)

1. A structure made of bars, posts, or a similar material that is used to enclose or protect an area.
2. A barrier consisting of a horizontal bar and supports, typically along a stairway or balcony.

Origin:

The word "railing" is derived from the old english word "railing" meaning a "fence" or "barrier". it was used to describe a structure made of bars, posts, or a similar material that is used to enclose or protect an area.

Examples:

1. The railing along the edge of the balcony provided safety.
2. The railing was made of metal and wood.
3. The railing along the stairs was painted white.
4. He leaned on the railing and looked out to sea.
5. She held onto the railing as she climbed the stairs.