field in Leicestershire, England: scene of the final battle (1485) in the Wars of the Roses, in which Richard III was killed; the crown passed to the victor, the Earl of Richmond (Henry VII)
See Bosworth Field in American Heritage Dictionary 4
A locality in central England near Leicester. It was the site of the final battle (August 22, 1485) of the Wars of the Roses, in which Henry Tudor (afterward Henry VII) defeated Richard III, the last king of the Plantagenet line. Richard was killed in the battle.