三さん部ぶ作さくさんぶさくCommon wordMeanings1nountrilogyRefers to a set of three related works, such as novels, films, or plays, that form a unified whole.この小しょう説せつは三さん部ぶ作さくの第だい一いっ巻かんです。This novel is the first volume of a trilogy.映えい画がの三さん部ぶ作さくを一いっ気きに観みた。I watched the movie trilogy in one sitting.