Gerund functioning as a common noun denoting the act or motion of rocking.
Definitionen
The action or movement of moving gently back and forth or from side to side. The constant rocking of the train lulled him to sleep.
rockinggerundium / partizip präsens Used of something that is literally moving back and forth; participial adjective.
Definitionen
Moving back and forth or side to side in a gentle or rhythmic manner. The rocking chair on the porch was soothing as it swayed in the breeze.