Definition of "clapboard" [clap•board]

• A long narrow board with one edge thicker than the other, overlapped horizontally to cover the outer walls of frame structures. Also called weatherboard. (noun)
• To cover with clapboards. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Moreover, the great demand for beer-barrel stock made "clapboard" good and profitable return lading."
• "The core of the hotel is concrete, while the "houses" that rise up it are timber and clapboard, meaning that many of the rooms, especially the suites, really do feel like individual and even authentic houses."
• ""clapboard" roof -- on one side flanked by a rude horse-shed, on the other by a corn-crib of split rails."