(historical) A type of hat, with a broad brim made of black or brown felt.
1884, Henry James, "The Author of Beltraffio" in The English Illustrated Magazine1 (9–10) (June–July 1884)."He carried his benevolence to the point of coming to meet me at the little station at which I was to alight, and my heart beat very fast as I saw his handsome face, surmounted with a soft wide-awake, and which I knew by a photograph long since enshrined upon my mantel shelf, scanning the carriage windows as the train rolled up."
1912, Katherine Mansfield, "The Woman At The Store", from "Selected Short Stories"Wisps of white hair straggled from under his wideawake....