TANGRAM
tangram
(noun) a Chinese puzzle consisting of a square divided into seven pieces that must be arranged to match particular designs
Source: WordNet® 3.1
Etymology
Noun
tangram (plural tangrams)
A Chinese puzzle made of a square that is cut up into different triangular pieces which can then be reassembled to make designs.
Anagrams
• Gartman, trangam
Source: Wiktionary
Tan"gram, n. Etym: [Cf. Trangram.]
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition