1 (also jigsaw puzzle) a puzzle consisting of a picture printed on cardboard or wood and cut into various pieces of different shapes that have to be fitted together:time is passed by doing jigsaws
a mystery that can only be resolved by assembling various pieces of information:help the police put all the pieces of the jigsaw together
2a machine saw with a fine blade enabling it to cut curved lines in a sheet of wood, metal, or plastic.
Origin:
late 19th century: from the verb jig + the noun saw1
