‖Bu″shi′do′ (bo͞o″shē′dō′), n. [Jap. bu military + shi knight + dō way, doctrine, principle.] The unwritten code of moral principles regulating the actions of the Japanese knighthood, or Samurai; the chivalry of Japan.
Unformulated, Bushido was and still is the animating spirit, the motor force of our country. Inazo Nitobé.