cuboid

[kyoo-boid]

adjective

Also cu·boi·dal. resembling a cube in form.

Anatomy. noting or pertaining to the outermost bone of the distal row of tarsal bones.

noun

Mathematics. a rectangular parallelepiped.

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. 2019

Examples from the Web for cuboidal

Historical Examples of cuboidal

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.
Development of the Digestive Canal of the American Alligator
Albert M. Reese

British Dictionary definitions for cuboidal

cuboid

adjective Also: cuboidal (kjuːˈbɔɪdəl)

shaped like a cube; cubic

of or denoting the cuboid bone

noun

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 cuboidal

cuboid

adj.

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

cuboidal in Medicine

cuboid

[kyōō′boid′]

adj.

Having the approximate shape of a cube.

n.

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•boi′dal (kyōō-boid′l) adj.