rhomboid

rhomboid
/ˈrɔmbɔɪd; `rɑmbɔɪd/ adj
in the shape of a rhombus 菱形的. n rhombus of which only the opposite sides and angles are equal 长菱形; 长斜方形. =>illus at quadrilateral 见 quadrilateral 插图.

牛津英汉双解词典