1
a
: 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
: raised to the third power
cubed; cubing
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
cuber
noun
variants
or cubé
: either of two tropical American plants (Deguelia utilis synonym Lonchocarpus utilis or L. urucu) furnishing rotenone
Examples of cube in a Sentence
Noun (1)
even though they worked in adjoining cubes, the two coworkers rarely acknowledged one another's existence
Verb
Cube the carrots and potatoes.
three slices of bread, cubed
Recent Examples on the Web
Lisa Cericola, Southern Living, 29 Oct. 2025
Any pants vying for space in my suitcase have a long list of criteria to meet before they get rolled up and squished into a packing cube.
—Olivia Young, Travel + Leisure, 28 Oct. 2025
Christianna Silva, Better Homes & Gardens, 17 July 2024
Then there’s the buttery dough reimagined into cube shapes, instead of crescents, with creamy centers.
—Ann Trieger Kurland, BostonGlobe.com, 18 Apr. 2023
Alana Al-Hatlani, Southern Living, 25 Oct. 2025
Instead of being sliced and roasted, the eggplant and accompanying baby potatoes are cubed and sauteed in a heavy pan with a little olive oil until fork-tender.
—Gretchen McKay, Twin Cities, 1 Oct. 2025
See All Example Sentences for cube
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Noun
In this extra special dessert, challah bread cubes are baked in a bourbon-sweet potato custard and topped with pecans.
—Lisa Cericola, Southern Living, 29 Oct. 2025
Any pants vying for space in my suitcase have a long list of criteria to meet before they get rolled up and squished into a packing cube.
—Olivia Young, Travel + Leisure, 28 Oct. 2025
Adjective
While cube storage has come a long way, with many different grids and arrangements of the cubes available, the truly genius way to take these shelving units from good to incredible is to make use of organizers that fit into each cube.
—Christianna Silva, Better Homes & Gardens, 17 July 2024
Then there’s the buttery dough reimagined into cube shapes, instead of crescents, with creamy centers.
—Ann Trieger Kurland, BostonGlobe.com, 18 Apr. 2023
Verb
After cubing, return it to the fridge or freezer for at least 15 minutes.
—Alana Al-Hatlani, Southern Living, 25 Oct. 2025
Instead of being sliced and roasted, the eggplant and accompanying baby potatoes are cubed and sauteed in a heavy pan with a little olive oil until fork-tender.
—Gretchen McKay, Twin Cities, 1 Oct. 2025
See All Example Sentences for cube
Cite this Entry
“Cube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cube. Accessed 4 Nov. 2025.
Copy CitationKids Definition
cube
1 of 2 noun1
: the solid body having six equal square sides
2
: the result of raising a number to the third power
the cube of 2 is 8
cube
2 of 2 verb
cubed; cubing
1
: to raise to the third power
2
: to form into a cube
3
: to cut a checkered pattern into
cube a steak
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