clapboard

¹ American  

[klab-erd, klap-bawrd, ‑-bohrd] / ˈklæb ərd, ˈklæpˌbɔrd, ‑ˌboʊrd /

noun

1. Chiefly Northeastern U.S. a long, thin board, thicker along one edge than the other, used in covering the outer walls of buildings, being laid horizontally, the thick edge of each board overlapping the thin edge of the board below it.

2. British. a size of oak board used for making barrel staves and for wainscoting.

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adjective

1. of or made of clapboard.

   a clapboard house.

clapboard ² American  

[klap-bawrd, -bohrd] / ˈklæpˌbɔrd, -ˌboʊrd /

noun

Movies.

1. a small board with a hinged stick attached that is clapped down at the beginning of the filming of a shot for use later in synchronizing sound and image in the editing of the film.

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clapboard British  

/ ˈklæbəd, ˈklæpˌbɔːd /

noun

1. 1. a long thin timber board with one edge thicker than the other, used esp in the US and Canada in wood-frame construction by lapping each board over the one below

   2. ( as modifier )

      a clapboard house

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verb

1. (tr) to cover with such boards

Etymology

Origin of clapboard¹

1510–20; earlier clap bord, alteration of obsolete clapholt < Low German klappholt (cognate with Dutch klaphout ) split wood used for barrel staves; see clap ¹, holt

Origin of clapboard²

clap ¹ + board

Example Sentences

Ms. Zambello’s production, adapted from the one at the Glimmerglass Festival in 2016, has Puritan costumes, gray clapboard walls, and simple furnishings that depict dwellings, a courtroom and a jail.

From The Wall Street Journal • Mar. 23, 2026

These three-family clapboard sugar cubes, thrown up by the tens of thousands around the turn of the 20th century across all New England’s cities, are the backbone of Greater Boston’s working-class housing stock.

From Slate • Sep. 9, 2025

The Rev. Kay Colleton will never forget the time she first laid eyes on Moving Star Hall, a tiny white clapboard building with a leaning chimney, a crooked roof and a storied history.

From New York Times • Nov. 23, 2023

Tidy clapboard homes painted blue and grey looked abandoned, the windows darkened and doors latched.

From BBC • Oct. 26, 2023

Their rental house was a clapboard box suspended on pilings over the bay.

From "The Son of Neptune" by Rick Riordan