Definition of "lath and plaster" []

• A building material consisting of thin strips of wood that provide a foundation for a coat of plaster (noun)

WordNet. Princeton University. 2010.

• "Gideon was too dazed to know if he was wounded or unhurt, and then, as bits of the lath and plaster ceiling, damaged by the grapeshot, started to fall down on him, he had the happy sensation that he was lying on his back in a heavy snowstorm."
• "In one corner of the room he pried up the tiles of the flooring for the space of a square foot, and cut away the planking underneath, leaving nothing but some thin lath and plaster between them and the room below."