Definition of blanket bog
: a highly acidic peat bog that spreads out widely over the landscape and is found in cool climates with high levels of rainfall and humidity
- Blanket bogs form as the peat spreads out over the landscape like a blanket.
- —Rebecca Marsden, Geographical Magazine, September 1991
- Called blanket bog for good reason, these boglands cover hundreds of soggy … square miles in northwest Mayo, which helps explain why the region is Ireland's least populous.
- —Megan Harlan, New York Times, 8 July 2001
