I. cube 1 /kjuːb/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Latin ; Origin: cubus , from Greek kybos 'cube, vertebra' ]
1 . a solid object with six equal square sides:
a sugar cube
an ice cube
Cut the meat into small cubes.
2 . the cube of something the number you get when you multiply a number by itself twice, for example 4 x 4 x 4 = 64, so the cube of 4 is 64
3 . American English spoken a ↑ cubicle
II. cube 2 BrE AmE verb [transitive]
1 . to multiply a number by itself twice:
4 cubed is 64
2 . to cut food into cubes