'Cube root' definitions:

Definition of 'cube root'

From: WordNet
noun
A number that when multiplied three times equals a given number

Definition of 'Cube root'

From: GCIDE
  • Cube \Cube\ (k[=u]b), n. [F. cube, L. cubus, fr. Gr. ???? a cube, a cubical die.]
  • 1. (Geom.) A regular solid body, with six equal square sides. [1913 Webster]
  • 2. (Math.) The product obtained by taking a number or quantity three times as a factor; as, 4x4=16, and 16x4=64, the cube of 4. [1913 Webster]
  • Cube ore (Min.), pharmacosiderite. It commonly crystallizes in cubes of a green color.
  • Cube root. (Math.), the number or quantity which, multiplied into itself, and then into the product, produces the given cube; thus, 3 is the cube root of 27, for 3x3x3 = 27.
  • Cube spar (Min.), anhydrite; anhydrous calcium sulphate. [1913 Webster]