1
a
: the lowest member of a base : subbase
b
: a block upon which the moldings of an architrave or trim are stopped at the bottom
2
: a usually square block serving as a base
broadly : any of various bases or lower parts
3
: a course of stones forming a continuous foundation or base course

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Plinth and Architecture

"These ivy-clad arcades — / These mouldering plinths ... are they all — / All of the famed, and the colossal left…?" In these lines from "The Coliseum," Edgar Allan Poe alludes to a practical feature of classical architecture. The plinth serves the important purpose of raising the base of the column it supports above the ground, thus protecting it from dampness and mold. The humble plinth is usually a mere thick block. It's humbly named, too, for the Greek word plinthos means simply "tile" or "brick." English writers have used plinth, a shortened version of the Latin form plinthus, since the mid-16th century. The word's meaning was later extended to bases for statues, vases, or busts.

Examples of plinth in a Sentence

Recent Examples on the Web
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On colorful plinths made by Sarabande artist Adam, the brand showcased their special edition of Vintage 2015 in tribute to Jean-Michel Basquiat. Hikmat Mohammed, Footwear News, 12 May 2025 The circular plinth appears to float above a speaker base that hosts controls, and is made from a translucent material (perhaps acrylic) that allows the lighting within to dance to the sounds coming from the vinyl spinning on the equally visual platter. New Atlas, 18 Apr. 2025 An aluminum alloy disc on the underside controls platter resonance, while a cork/Neoprene/nitrile disc protects the acrylic plinth. Mark Sparrow, Forbes.com, 11 Apr. 2025 They were cleaned and then displayed on a traditional plinth at the museum entrance. Issy Ronald and Catherine Nicholls, CNN Money, 26 Apr. 2025 See All Example Sentences for plinth

Word History

Etymology

Latin plinthus, from Greek plinthos

First Known Use

1563, in the meaning defined at sense 1a

Time Traveler
The first known use of plinth was in 1563

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Cite this Entry

“Plinth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plinth. Accessed 20 May. 2025.

Kids Definition

plinth

noun
1
: the lowest part of the base of an architectural column
2
: a block used as a base (as for a vase)

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