A Sway

1. The act of swaying; a swaying motion; a swing or sweep of a weapon.
2. A rocking or swinging motion.
3. Influence, weight, or authority that inclines to one side
4. Preponderance; turn or cast of balance.
5. Rule; dominion; control; power.
6. A switch or rod used by thatchers to bind their work.
7. The maximum amplitude of a vehicle's lateral motion.