1. a machine or ship used to remove mud, sand, or other material from the bottom of a river, harbor, or other body of water
2. a container with holes in the top used for sprinkling flour, sugar, or other powdered substances
Usage: cooking

Examples

• The dredger worked all night to clear the shipping channel.
• A massive dredger was brought in to deepen the harbor.
• The construction crew used a dredger to remove sediment from the lake.
• She used a flour dredger to dust the cake with powdered sugar.
• The chef reached for the cocoa dredger to finish decorating the dessert.
• The old dredger had been clearing waterways for over twenty years.