{ Xyst (?), ||Xys"tus (?), } n. [L. xystus, Gr. &?;, from &?; to scrape, polish; -- so called from its smooth and polished floor.] (Anc. Arch.) A long and open portico, for athletic exercises, as wrestling, running, etc., for use in winter or in stormy weather.

{ Xyst (?), ||Xys"tus (?), } n. [L. xystus, Gr. &?;, from &?; to scrape, polish; -- so called from its smooth and polished floor.] (Anc. Arch.) A long and open portico, for athletic exercises, as wrestling, running, etc., for use in winter or in stormy weather.