ten-gallon hat
From Longman Dictionary of Contemporary EnglishRelated topics: Clothesten-gallon hatˌten-gallon ˈhat noun [countable] DCCa tall hat made of soft material with a wide brim, worn especially by cowboysExamples from the Corpusten-gallon hat• Mildred Fender was in sequins with large feather earrings and a ten-gallon hat.• He wore a white ten-gallon hat and black cowboy boots decorated with swastikas and stars.