1 (alsojigsaw puzzle) (alsopuzzleespecially in North American English)a picture printed on cardboard or wood, that has been cut up into a lot of small pieces of different shapes that you have to fit together againto do a jigsaw2a mysterious situation in which it is not easy to understand all the causes of what is happening; a complicated problemIf Hollis was a double agent then the Crabb affair fits neatly into the jigsaw.3a saw (= a type of tool) with a fine blade for cutting designs in thin pieces of wood or metal
ˈdʒɪɡsɔː
ˈdʒɪɡsɔː