Meaning of Wars of the Roses

Wars' of the Ros'es

Pronunciation: [key]
— Eng. Hist. Eng. Hist.
  1. the civil struggle between the royal house of Lancaster, whose emblem was a red rose, and the royal house of York, whose emblem was a white rose, beginning in 1455 and ending with the accession of Henry VII in 1485 and the union of the two houses.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.