a. [f. as prec. + -AL.]
1. Having a form resembling or approximating to that of a cube.
1803. Naval Chron., X. 199. Chrystals of cuboidal pyrites.
1876. Page, Adv. Text-bk. Geol., v. 93. Certain granites break up in large square-like blocksa structure which is styled tabular or cuboidal.
2. Anat. Of or belonging to the cuboid bone.
1866. Huxley, in Laing, Preh. Rem. Caithn., 146. The calcaneum from the lower edge of the cuboidal facet to the extreme end of the calcaneal process measures 2·55.