What is Cube ?
Cube is (noun) 1. a shape where all six sides are square and join each other at right angles (geometry) The design for the library is nothing more than a series of cubes. 2. something shaped like a cube He put two cubes of sugar in his tea. The ice cubes chinked in the glasses. 3. the result when a number is multiplied by itself twice (mathematics) 27 is the cube of 3.(verb) 1. to cut something into little cubes Wash, peel and then cube the potatoes. 2. to multiply a number twice by itself If you cube 6 the result is 216 (6 x 6 x 6).
source: Easier English, Student Dictionary Upper Intermediate Level