slider

1. A potentiometer with a linearly sliding control.
2. A widget allowing the user to select a value or position on a sliding scale.
3. A sliding door.
4. A pitch thrown with added pressure by middle and ring fingers yielding a combination of backspin and sidespin, resulting in a motion to the left when thrown by a right handed pitcher. · The closer had a wicked slider that was almost unhittable.
5. A similar delivery in which the wrist and ring finger work to impart backspin to the ball.
6. A small hamburger or sandwich, typically served in a warm bun. · We ordered five sliders.
7. The movable part of a zip fastener that opens or closes the row of teeth.
8. A rectangle of fabric that helps produce an orderly parachute deployment.

Plural sliders