punky
adj.— «Virtually any kind of wood can be used for cordwood masonry, as long as it’s relatively dry, stripped of its bark, and not spongy (or “punky,” as they say in the North Country).» —“A Child-Built Cordwood Clubhouse” by Rob Roy Mother Earth News May-June, 1985. (source: Double-Tongued Dictionary)
Further reading
David from Plymouth, Wisconsin, wonders about the expression a cord of wood. The phrase goes back to the 17th century and has to do with using a cord to measure a specific quantity of stacked wood. This is part of a complete episode.
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