Monmouth cock
/ˌmɒnməθ ˈkɒk/ /ˌmʌnməθ ˈkɒk/Now historical
noun
A style of wearing a broad-brimmed hat turned up at the back and tipped over the eyes, fashionable for a few years from about 1667; a hat worn in this style.
Origin
Early 18th century; earliest use found in Joseph Addison (1672–1719), writer and politician. From the name of James Scott, Duke of Monmouth, illegitimate son of King Charles II and leader of the rebellion of 1685 + cock.