baluster
nounUK /ˈbæl.ə.stər/
US /ˈbæl.ə.stɚ/
A baluster is a small post that holds up the rail on a staircase or balcony.
The wooden balusters along the stairs were painted white.
OTHER MEANINGS
2. A short, often vase-shaped pillar used as a decorative support in furniture or architecture.
The old cabinet stood on carved balusters.
3. A turned or shaped leg supporting a table or chair.
The table's baluster legs gave it an elegant look.
4. A row of small posts forming a protective barrier, as on a bridge.
We leaned on the stone balusters of the bridge.