CUBOID
cubelike, cube-shaped, cubical, cubiform, cuboid, cuboidal
(adjective) shaped like a cube
cuboid
(noun) a rectangular parallelepiped
Source: WordNet® 3.1
Etymology
Adjective
cuboid (comparative more cuboid, superlative most cuboid)
Of the shape of a cube.
Noun
cuboid (plural cuboids)
(anatomy) The cuboid bone.
(geometry) A parallelepiped having six rectangular faces.
Source: Wiktionary
Cu"boid (k"boid), a. Etym: [Cube + -oid: cf. Gr. (Anat.)
Definition: Cube-shaped, or nearly so; as, the cuboid bone of the foot.
– n. (Anat.)
Definition: The bone of the tarsus, which, in man and most mammals,
supports the metatarsals of the fourth and fifth toes.
Source: Webster’s Unabridged Dictionary 1913 Edition