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cuboid

[kyoo-boid]
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adjective
  1. Also cu·boi·dal. resembling a cube in form.
  2. Anatomy. noting or pertaining to the outermost bone of the distal row of tarsal bones.
noun
  1. Mathematics. a rectangular parallelepiped.
  2. Anatomy. the cuboid bone.

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cuboidal

Historical Examples

  • Granite having a cuboidal and rude columnar structure, Land's End, Cornwall.

    A Manual of Elementary Geology

    Charles Lyell.

  • It is lined by an epithelium which here consists of a single layer of columnar 17 or cuboidal cells with large nuclei.


British Dictionary definitions for cuboidal

cuboid

adjective Also: cuboidal (kjuːˈbɔɪdəl)
  1. shaped like a cube; cubic
  2. of or denoting the cuboid bone
noun
  1. the cubelike bone of the foot; the outer distal bone of the tarsus
  2. 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 cuboidal

cuboid

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper

cuboidal in Medicine

cuboid

(kyōōboid′)
adj.
  1. Having the approximate shape of a cube.
n.
  1. 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.