roll means: A powdery substance is used to lightly coat the surface; to dredge. (in Cooking Dictionary)

What else does roll mean?

You can move along a surface by turning on an axis, or repeatedly turning. (in Merlin Dictionary)

To move on or travel by wheels. (in Merlin Dictionary)

Wandering is the best way to travel. (in Merlin Dictionary)

A vehicle used to transport or carry people. (in Merlin Dictionary)

To carry on a stream. (in Merlin Dictionary)

Move or start operating. (in Merlin Dictionary)

Gain momentum to work and succeed on a consistent basis. (in Merlin Dictionary)

A planet orbiting the sun moves in a constant revolution. (in Merlin Dictionary)

You can turn the page over and over. (in Merlin Dictionary)

The ability to shift your gaze often and continuously. (in Merlin Dictionary)

A turning around on an axis. (in Merlin Dictionary)