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Definition of cuboid

cuboid

/ˈkjuː.bɔɪd/
cu · boid
Plural:cuboids
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cuboid Lexical Profile

cuboid Game Scores & Validity

• noun

1

A three-dimensional geometric solid bounded by six rectangular faces that meet at right angles; a rectangular prism.

Example

"The geometry students calculated the surface area and volume of the wooden cuboid."

2

A roughly cube-shaped tarsal bone situated on the outer side of the foot between the calcaneus (heel bone) and the fourth and fifth metatarsals.

Example

"The podiatrist examined the X-ray closely to rule out a stress fracture in the cuboid."

Synonyms
View all synonyms for cuboid

• adjective

1

Having the approximate shape or form of a cube; roughly cube-shaped.

Example

"Simple cuboid epithelial cells line the small ducts of several glands in the human body."

Synonyms
View all synonyms for cuboid

• Nearby Words

cubist
cubit
cubmaster
cuboid
cucamelon
cuckold
cuckoo

Word Origin & Etymology

Borrowed from Ancient Greek kyboeides ('cube-shaped'), from kybos ('cube, die') combined with -oeides ('resembling, having the form of').

Cite this Entry

Wordmom. (2026). Definition of Cuboid. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/cuboid
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