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Use "chesnut" in a sentence
"Some peasants outside predict a storm, and counsel us to get down into the valley as quickly as may be; so the chesnut is hastily put to, and we rattle off just as the first heavy drops come splashing down to a low accompaniment of very distant thunder."
"It was a 'chesnut' from group of leading glacial-epoch experts in 1972, who stated the world was 'undoubtedly' heading for a period of serious cooling, possibly within a few hundred years."