"liberty cap." YourDictionary, n.d. Web. 13 December 2018. <https://www.yourdictionary.com/liberty-cap>.
liberty cap. (n.d.). Retrieved December 13th, 2018, from https://www.yourdictionary.com/liberty-cap
A brimless, limp, conical cap fitting snugly around the head and given to a slave in ancient Rome upon manumission. It was used as a symbol of liberty by the French revolutionaries and was also worn in the United States before 1800. Also called Phrygian cap .