[ kyoo-boid ]
See synonyms for cuboid on
  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.

  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

Other words from cuboid

  • sub·cu·boid, adjective
  • sub·cu·boi·dal, adjective

Words Nearby cuboid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use cuboid in a sentence

  • The cuboid always articulates with the astragalus, and the tarsal bones strongly interlock.

    The Vertebrate Skeleton | Sidney H. Reynolds
  • The tarsal bones have the regular Subungulate arrangement, the cuboid not articulating with the astragalus.

    The Vertebrate Skeleton | Sidney H. Reynolds

British Dictionary definitions for cuboid


/ (ˈkjuːbɔɪd) /

adjectiveAlso: cuboidal (kjuːˈbɔɪdəl)
  1. shaped like a cube; cubic

  2. of or denoting the cuboid bone

  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