The act or result of rolling, or state of being rolled.

“Look at the roll of the waves.”

A forward or backward roll in gymnastics; going head over heels. A tumble.

Something which rolls.

To cause to revolve by turning over and over; to move by turning on an axis; to impel forward by causing to turn over and over on a supporting surface.

“To roll a wheel, a ball, or a barrel.”

To turn over and over.

“The child will roll on the floor.”

To tumble in gymnastics; to do a somersault.