Tarrytown (târˈētoun) [key], village (1990 pop. 10,739), Westchester co., SE N.Y., a residential suburb of New York City, on the E bank of the Hudson opposite Nyack; settled in the 17th cent. by the Dutch, inc. 1870. It has several corporate headquarters, and its industries include food processing and the manufacture of laboratory instruments and heating equipment. Tarrytown is the eastern terminus of the Tappan Zee Bridge and is the site of Marymount College of a Fordham campus. Of interest are Sunnyside, the home of Washington Irving; Sleepy Hollow cemetery, where Irving is buried; Philipsburg Manor (see Philipse Manor), an estate including a Dutch farmhouse (c.1683) and a restored operating gristmill; Lyndhurst (1838), a Gothic Revival mansion; and a Rockefeller estate.