The Collaborative International Dictionary of English v.0.48:
Cuboidal \Cu*boid"al\ (k?-boid"al), a. (Anat.) Cuboid. [1913 Webster]WordNet (r) 3.0 (2006):
cuboidal adj 1: shaped like a cube [syn: cubelike, cube-shaped, cubical, cubiform, cuboid, cuboidal]