tangram

A Chinese puzzle consisting of a square cut into five triangles, a square, and a rhomboid, to be reassembled into different figures.

A Chinese puzzle consisting of a square of wood or other material cut into seven pieces of various shapes (five triangles, a square, and a lozenge), which can be combined so as to form a square and a variety of other figures.

A Chinese toy made by cutting a square of thin wood, or other suitable material, into seven pieces, as shown in the cut, these pieces being capable of combination in various ways, so as to form a great number of different figures. It is now often used in primary schools as a means of instruction.

A Chinese puzzle made of a square that is cut up into different triangular pieces which can then be reassembled to make designs.

a Chinese puzzle consisting of a square divided into seven pieces that must be arranged to match particular designs