Having the approximate shape of a cube.
Anatomy A tarsal bone on the outer side of the foot in front of the calcaneus and behind the fourth and fifth metatarsal bones.
Mathematics A rectangular parallelepiped.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.