/ Dictionary / Index R Roundhead: Meaning and Definition of Find definitions for: Round•head Pronunciation: (round'hed"), [key] — n. Eng. Hist. a member or adherent of the Parliamentarians or Puritan party during the civil wars of the 17th century (so called in derision by the Cavaliers because they wore their hair cut short). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: roundhead (Thesaurus) round hand roundheaded Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language