Architecture. any of a number of closely spaced supports for a railing.
2.
balusters, a balustrade.
3.
any of various symmetrical supports, as furniture legs or spindles, tending to swell toward the bottom or top.
Origin: 1595–1605; < F, MF balustre < It balaustro pillar shaped like the calyx of the pomegranate flower, ult. < L balaustium < Gk balaústion pomegranate flower
One of the upright, usually rounded or vase-shaped supports of a balustrade.
An upright support, such as a furniture leg, having a similar shape.
One of the supporting posts of a handrail.
[French balustre, from Italian balaustro, from balaustra, pomegranate flower (from a resemblance to the post), from Latin balaustium, from Greek balaustion.]