Roundheads
Roundheads,
derisive name for the supporters of Parliament during the English civil warEnglish civil war,1642–48, the conflict between King Charles I of England and a large body of his subjects, generally called the "parliamentarians," that culminated in the defeat and execution of the king and the establishment of a republican commonwealth.
..... Click the link for more information. . The name, which originated c.1641, referred to the short haircuts worn by some of the Puritans in contrast to the fashionable long-haired wigs worn by many of the supporters of King Charles I, who were called Cavaliers.
Roundheads
the derisive term used by the supporters of the king for the adherents of Parliament during the English Bourgeois Revolution of the 17th century. It referred to the characteristic haircut (closely cropped) prevalent among the bourgeoisie.