The tail of the other car was swinging right toward him.

When I landed, the tail swung around and hit me in the head.

His long tail swung back and forth, inches above the floor.

The tail swung in his direction, passed the window, and crashed into the wall of the room next to him.

The tail swung back and forth in the air again, more tentatively.

The tyrannosaur had turned its back to him, the huge tail swinging through the air.

Outside the bars, its thick tail swung back and forth with pleasure.

In addition, a cat's tail may swing from side to side.

The tail swung again and banged the android's head against the wall.

When walking, the tail would have swung sideways, like in modern reptiles.