baluster Meaning, Definition & Usage

  1. noun one of a number of closely spaced supports for a railing

WordNet

Bal"us*ter noun
Etymology
F. balustre, It. balaustro, fr. L. balaustium the flower of the wild pomegranate, fr. Gr. ; -- so named from the similarity of form.
Definitions
  1. (Arch.) A row of balusters topped by a rail, serving as an open parapet, as along the edge of a balcony, terrace, bridge, staircase, or the eaves of a building.

Webster 1913