Birthright, a privilege to which one is entitled by birth: “his b. to the crown,” H6B II, 2, 62. “to lose his b.” H6C I, 1, 219. II, 2, 35. “bearing their --s on their backs,” John II, 70 (i. e. their patrimonies). “thy goodness share with thy b.” All's I, 1, 73, i. e. thy goodness may partake of thy inheritance, may be as great as the nobleness of thy birth.