Swoosh (noun)

1. The sound made by a fast moving object passing through the air.
2. A graphic or logo that is shaped like a curved or flowing line, often used to represent speed or movement.

Origin:

Imitative origin, from the sound of a fast moving object.

Examples:

1. The swoosh of the airplane as it flew overhead.
2. The swoosh of the basketball as it passed through the hoop.
3. The swoosh logo is a recognizable trademark of the Nike brand.
4. The swoosh was used to represent the speed and agility of the product.
5. The designer used the swoosh to give the logo a sense of motion.