Slider (noun)

1. A small, often round, sandwich served on a soft, white bun.
2. A button or control that allows for adjusting the position or value of something.
3. A type of pitch in baseball that moves horizontally rather than vertically.

Origin:

Derived from the verb 'slide', meaning to move smoothly along a surface.

Examples:

1. He ordered a cheeseburger slider from the food truck.
2. She used the slider on the screen to adjust the brightness of her phone.
3. The pitcher was known for his nasty slider that was difficult for the batter to hit.
4. The sliders were a hit at the party and everyone wanted the recipe.
5. She was impressed by how the slider worked so smoothly and effortlessly.