baluster
noun
bal·us·ter ˈba-lə-stər 
1
: an object or vertical member (such as the leg of a table, a round in a chair back, or the stem of a glass) having a vaselike or turned outline
2
: an upright often vase-shaped support for a rail
Example Sentences
Recent Examples on the Web In staircase lingo, a baluster refers to the vertical poles onto which the handrail is affixed. 
Alyssa Longobucco, House Beautiful, 28 July 2022 Over the door a limestone balcony has a stone railing with balusters and finials. Judy Rose, Detroit Free Press, 9 May 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 See More
Alyssa Longobucco, House Beautiful, 28 July 2022 Over the door a limestone balcony has a stone railing with balusters and finials. Judy Rose, Detroit Free Press, 9 May 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 The vintage staircase and chimney were replaced with floating oak steps and slatted oak balusters that create a natural wood art piece in the living room. Kelly Dawson, Sunset Magazine, 12 Feb. 2020 See More Word History
Etymology
French balustre, from Italian balaustro, from balaustra wild pomegranate flower, from Latin balaustium, from Greek balaustion; from its shape
First Known Use
1602, in the meaning defined at sense 1
Kids Definition
baluster
noun
bal·us·ter ˈba-lə-stər
: a short post that supports the upper part of a railing
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