beadboard
noun
bead·board
| \ ˈbēd-ˌbȯrd
\
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Definition of beadboard
: paneling that features decorative beading (see beading sense 1a) and that is used typically on walls (as for wainscoting) and ceilings
The porch has a beadboard ceiling, paddle fan and recessed lighting, creating a comfortable retreat. — Allison Jones, Courier-Journal (Louisville, Kentucky), 13 Aug. 2010
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