noun / verb
cube
KYOOB/kjuːb/
A solid with six equal square faces.
The cube shows its top face and two square side faces.

Etymology
Greek kybos meant a six-sided die and also described dice-like blocks. The geometric meaning preserves that familiar shape: a solid with six equal square faces.
In context
a pixel is is two-dimensional it's a square a voxel is three-dimensional it's a cube
More examples
- Each edge of this cube measures two inches.
- She cubes the potatoes before adding them to the soup.
- The cube of three is twenty-seven.
Forms
cube · cubes · cubed · cubing
cubic adjective — Having the shape of a cube.