noun Round·head \ˈrau̇nd-ˌhed\

Definition of Roundhead

  1. 1 :  a member of the parliamentary party in England at the time of Charles I and Oliver Cromwell

  2. 2 :  puritan 1

Origin and Etymology of roundhead

from the Puritans' cropping their hair short in contrast to the Cavaliers

First Known Use: 1641

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