- A whirling motion - Revolution - Rotation - Spiral - Spiral motion - The act of turning or whirling, as around a fixed center;
a circular or spiral motion; motion about an axis; rotation;
revolution. - One of the whorls of a spiral univalve shell.
- Tornado - A violent windstorm of limited extent, as the tornado,
characterized by an inward spiral motion of the air with an upward
current in the center; a vortex of air. It usually has a rapid
progressive motion. - Fig.: A body of objects sweeping violently onward.
- Carpenter’s tool - Fasten in place - Fastener - Fastener with a helical thread - Metal fastener - Prison warder is mad if he has one loose - Propeller