balustrade
/ˈbæləstreɪd/
noun
- A row of balusters topped by a handrail, forming a protective barrier along the edge of a balcony, staircase, or terrace.
- The marble balustrade of the grand staircase was beautifully carved.
- She leaned over the balustrade to look at the garden below.
- The hotel's rooftop terrace had a glass balustrade so guests could enjoy the view.