a puzzle consisting of many irregularly shaped pieces of cardboard, plastic or wood which form a picture when fitted together
a puzzle which requires the assembly of numerous small, rectangular or oddly-shaped interlocking pieces
A jigsaw puzzle is a tiling puzzle that requires the assembly of numerous small, often oddly shaped, interlocking and tessellating pieces. Each piece has a small part of a picture on it; when complete, a jigsaw puzzle produces a complete picture.