an English royal house descended from a Welsh squire, Owen Tudor (died 1461), and ruling from 1485 to 1603. Monarchs of the Tudor line were Henry VII, Henry VIII, Edward VI, Mary I, and Elizabeth I
—adj
2.
denoting a style of architecture of the late perpendicular period and characterized by half-timbered houses
1779, from Welsh surname Tewdwr, used of the line of Eng. sovereigns from Henry VII to Elizabeth I, descended from Owen Tudor, who married Catherine, widowed queen of Henry V. Applied from 1815 to a style of architecture prevalent during these reigns. The name is the Welsh form of Theodore.