Definition of "Borsalino"
(sometimes attributive) A type of wide-brimmed felt hat.
Quotations
He wore a shaggy borsalino hat, a rough grey sports coat with white golf balls on it for buttons, a brown shirt, a yellow tie, pleated grey flannel slacks and alligator shoes with white explosions on the toes.
1940, Raymond Chandler, Farewell, My Lovely, Penguin, published 2010, page 1