[ kyoo-boid ]
/ ˈkyu bɔɪd /


Also cu·boi·dal. resembling a cube in form.
Anatomy. noting or pertaining to the outermost bone of the distal row of tarsal bones.


Mathematics. a rectangular parallelepiped.
Anatomy. the cuboid bone.

Nearby words

  1. cubital joint,
  2. cubital nerve,
  3. cubitus,
  4. cubitus valgus,
  5. cubitus varus,
  6. cuboidal epithelium,
  7. cuchifrito,
  8. cuchulain,
  9. cuchulainn,
  10. cucking stool

Origin of cuboid

First recorded in 1700–10, cuboid is from the Greek word kyboeidḗs cubelike. See cube1, -oid

Related formssub·cu·boid, adjectivesub·cu·boi·dal, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cuboid

British Dictionary definitions for cuboid


/ (ˈkjuːbɔɪd) /

adjective Also: cuboidal (kjuːˈbɔɪdəl)

shaped like a cube; cubic
of or denoting the cuboid bone


the cubelike bone of the foot; the outer distal bone of the tarsus
maths a geometric solid whose six faces are rectangles; rectangular parallelepiped
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cuboid



"cube-like," 1829, a modern coinage; see cube (n.) + -oid.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for cuboid


[ kyōōboid′ ]


Having the approximate shape of a cube.


A tarsal bone on the outer side of the foot, articulating in front with the calcaneus and lateral cuneiform, and behind with the fourth and fifth metatarsal bones.
Related formscu•boidal (kyōō-boidl) adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.