Stanchion (noun)

1. A vertical bar or post used to support something, such as a roof or a fence.
2. A vertical bar or post used to secure or tie something, such as cattle or ships.

Origin:

From old french estanchon, from estancher ("to stop, check"), from latin stanticare ("to make to stand"), from stanticus ("that makes to stand"), from stans, stantis ("standing").

Examples:

1. The roof was supported by steel stanchions.
2. The cattle were held in place by stanchions.
3. The stanchions were used to tie up the boat to the dock.
4. The stanchions were made of steel for strength.
5. The stanchions were placed at regular intervals along the fence.