Is “Tangram” a Scrabble word?
Yes
TANGRAM
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Tangram
/ˈtænˌɡɹæm/
noun
1.A Chinese puzzle made of a square that is cut up into different triangular pieces which can then be reassembled to make designs.