a small quantity or amount of something scattered over an object or surface.
a generous sprinkle of pepper
a light rain.
The rain first started as a light sprinkle but now it was getting heavier and heavier.
tiny sugar shapes, typically rods and balls, used for decorating cakes, ice cream, and other desserts.
Make some red icing and then the kids can decorate the top with sprinkles and heart shaped candies.