[rhom.boid] n [MF rhomboide, fr. L rhomboides, fr. Gk rhomboeides resembling a rhombus, fr. rhombos] (1570): a parallelogram with no right angles and with adjacent sides of unequal length
[2]rhom.boid or rhom.boi.dal adj (1693): shaped somewhat like a rhombus or rhomboid