\ ˈkyüb How to pronounce cube (audio) \

Definition of cube

 (Entry 1 of 4)

1a : the regular solid of six equal square sides — see Volume Formulas Table
b : something shaped like a cube an ice cube
c : cubicle sense 2 an office cube
2 : the product of a number multiplied by itself twice

Definition of cube (Entry 2 of 4)

: raised to the third power


cubed; cubing

Definition of cube (Entry 3 of 4)

transitive verb

1 : to raise to the third power
2 : to form into a cube
3 : to cut partly through (a steak) in a checkered pattern to increase tenderness by breaking the fibers
cu·​be | \ ˈkyü-ˌbā How to pronounce cube (audio) , kyü-ˈbā How to pronounce cube (audio) \
variants: or cubé

Definition of cube (Entry 4 of 4)

: any of several tropical American plants (genus Lonchocarpus) furnishing rotenone

Keep scrolling for more

Other Words from cube


cuber noun

Synonyms for cube

Synonyms: Noun (1)

Visit the Thesaurus for More 

Examples of cube in a Sentence

Verb Cube the carrots and potatoes. three slices of bread, cubed

First Known Use of cube

Noun (1)

1551, in the meaning defined at sense 1a


1570, in the meaning defined above


1588, in the meaning defined at sense 1

Noun (2)

1924, in the meaning defined above

History and Etymology for cube

Noun (1)

Latin cubus, from Greek kybos die, cube

Noun (2)

American Spanish cubé

Keep scrolling for more

Learn More about cube

Statistics for cube

Cite this Entry

“Cube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cube. Accessed 6 Aug. 2020.

Keep scrolling for more

More Definitions for cube



English Language Learners Definition of cube

: to cut (food) into small cubes
mathematics : to multiply (a number) by itself twice


\ ˈkyüb How to pronounce cube (audio) \

Kids Definition of cube

 (Entry 1 of 2)

1 : a solid body having six equal square sides
2 : the product obtained by multiplying the square of a number by the number itself The number 27 is the cube of 3.


cubed; cubing

Kids Definition of cube (Entry 2 of 2)

1 : to take (a number) as a factor three times The number 3 cubed is 27.
2 : to cut food into solid squares

Keep scrolling for more

More from Merriam-Webster on cube

Thesaurus: All synonyms and antonyms for cube

Rhyming Dictionary: Words that rhyme with cube

Spanish Central: Translation of cube

Nglish: Translation of cube for Spanish Speakers

Britannica English: Translation of cube for Arabic Speakers

Comments on cube

What made you want to look up cube? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

July 2020 Words of the Day Quiz

  • papercraft sunset
  • Which is a synonym of mien?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!