Definition of masamune in English English dictionary
orig. Okazaki Gornyd born 1264?, Japan died 1343?, Kamakura Japanese swordsmith. Masamune was appointed chief swordsmith by the emperor Fushimi in 1287. He founded the Ssh school of swordmaking, in which blades were made entirely of steel and hardened throughout. It marked an important advance in metallurgical technique that was significantly ahead of the technical level in Europe or elsewhere in Asia