Bevel

With all faces selected, use the Bevel tool to smooth out the edges of your cube.

to give a bevel to the edge of a table or a stone slab

finding the length with a bevel

The different types of dice made for cheating (flat passers, bevels, cut edges, loaded dice, […]

Bevels are shapes having one or more sides sandpapered so that they are slightly rounded rather than flat.

a bevel angle

I may be straight, though they themselves be bevel.