Definition of "cube"

cube¹

/kjuːb/

noun
plural cubes
1. (geometry) A regular polyhedron having six identical square faces.
2. Any object more or less in the form of a cube.
3. (mathematics) The third power of a number, value, term or expression.
4. (computing) A data structure consisting of a three-dimensional array; a data cube
5. A Rubik's cube style puzzle, not necessarily in the shape of a cube
verb
third-person singular simple present cubes, present participle cubing, simple past and past participle cubed
1. (transitive, arithmetic) To raise to the third power; to determine the result of multiplying by itself twice.
  Quotations
  From this severe trial Mr. Nackybal emerged with distinction, having in his cubing made only twenty-five slight mistakes out of the forty-six cubes demanded, and in his rooting, out of the fifty-three extractions propounded, committed a mere matter of four trifling errors!
  1953, Samuel Beckett, Watt, Olympia Press
2. (transitive) To form into the shape of a cube.
3. (transitive) To cut into cubes.
4. (intransitive) To use a Rubik's cube.

cube²

noun
plural cubes
1. A cubicle, especially one of those found in offices.