A second home in a rural area, especially one of a rich, powerful or important person(noun)
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Use "country seat" in a sentence
"Beyond the village, about a hundred yards to the east, stood a spacious stone mansion with ornamental grounds, statues, groves, and shrubbery—the country seat of Benjamin Chew, chief justice of Pennsylvania."
"Detailing the news brought from his country seat by Sir Roger de Coverley, he says that the good knight informed him that Moll White was dead, and that about a month after her death, the wind was so very high that it blew down the end of one of his barns."
"Cherubini found a retreat at La Chartreuse, near Rouen, the country seat of his friend, the architect Louis."