封建制度
Feudalism \Feu"dal*ism\, n. [Cf. F. f['e]odalisme.] The feudal system; a system by which the holding of estates in land is made dependent upon an obligation to render military service to the kind or feudal superior; feudal principles and usages.
feudalism n : the social system that developed in Europe in the 8th C; vassals were protected by lords who they had to serve in war [syn: {feudal system}]