Small, round, shiny fruits that are silver or silver-colored.
Silverberries are not real berries, but they are pretty and shiny.
Examples:
The forest is full of silverberries.
She picks some silverberries from the tree.
I see silverberries on the ground.
The birds like to eat silverberries.
The silverberries are as shiny as stars.
I have never seen silverberries before.