Koshirae refers to a mounted and finished form of individual sword, where the blade is placed in a hilt (tsuka) and scabbard fitted with sword guard (tsuba), hanging fittings (ashikanamono) and other reinforcement fittings, and wooden parts are finished with lacquer.
刀身を柄と鞘に納め、鐔や吊り金具（足金物）、補強用の諸金具を取り付け、木地には漆を塗るなどして、個々の刀剣外装として仕上げられたものを拵（こしらえ）と言う。