(kyb) noun
1. Geom. A solid bounded by six equal squares and having all its angles right angles.
2. Math. The third power of a quantity; the product of three equal factors.
—v.t. cubed, cub·ing
1. To raise (a number or quantity) to the third power.
2. To find the cubic capacity of.
3. To form or cut into cubes or cubelike shapes; dice: to cube potatoes. [<MF <LL cubus <Gk. kybos cube, die²]

(k′bā) noun
A substance extracted from the roots of Lonchocarpus nicou, a leguminous plant native in Peru: it contains rotenone and tephrosin and is used as a fish poison. [<Sp. quibey <native name]