also jig-saw, "vertical reciprocating saw," 1855, American English, from jig with its notion of "rapid up-and-down motion" + saw (n.1). Jigsaw puzzle first recorded 1906; originally one with pieces cut by a jigsaw.
例文
1. This process is akin to piecing together a jigsaw puzzle.
このプロセスはパズルと似ています。
2.to do a jigsaw
コラージュ
3.Spread out all the pieces before you begin the jigsaw .