Definitions for tangramˈtæŋ grəm
Random House Webster's College Dictionary
a Chinese puzzle consisting of a square cut into five triangles, a square, and a rhomboid, which can be combined so as to form a great variety of other figures.
Origin of tangram:
1860–65; tang-, perh. < Chin TángT'ang , i.e., Chinese + -gram1
a Chinese puzzle consisting of a square divided into seven pieces that must be arranged to match particular designs
A Chinese puzzle made of a square that is cut up into different triangular pieces which can then be reassembled to make designs.
Origin: Chinese: 七巧板; pinyin: qī qiǎo bǎn; literally "seven boards of skill".
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