bal·us·ter
noun/ˈbæləstə(r)/
/ˈbæləstər/
- any of the short posts that form a balustrade
栏杆柱 Word Originearly 17th cent.: from French balustre, from Italian balaustro, from balaust(r)a ‘wild pomegranate flower’ (via Latin from Greek balaustion), so named because part of the pillar resembles the curving calyx tube of the flower.