stanchion
nounUK /ˈstɑːnʃən/
US /ˈstænʃən/
A strong post or bar that holds something up or keeps it in place.
The cows stood calmly between the metal stanchions in the barn.
OTHER MEANINGS
2. A frame around the neck of a cow or other animal that keeps it still.
The farmer fastened the cow into the stanchion before milking.
3. A post on a ship or dock used to support ropes or rails.
He tied the rope around the stanchion on the deck.
4. A vertical bar that separates lanes or holds a rope, as in a queue.
We waited in line between the velvet stanchions at the theater.