A jigsaw puzzle is a picture cut into pieces to be fitted together. Do a jigsaw puzzle.
The first ones were maps cut up to teach geography to children in the eighteenth century. A jigsaw puzzle is now cut by a press rather than a saw, and the name has outlived the tool.
1nounjigsaw puzzleA picture cut into pieces to be fitted together.
“The jigsaw puzzle took the whole family a fortnight and had one piece missing.”
jigsaw puzzle is a puzzle.
Jigsaw plus puzzle, from the saw once used to cut the pieces.
jigsaw + puzzle
Etymology from Wiktionary, CC BY-SA
Practised in Games & Toys