1. a machine or device that compresses waste material, soil, or other substances into a smaller, denser mass
2. a person or worker who operates a compacting machine
Usage: less common

Examples

• The garbage truck has a built-in compactor that crushes trash to make room for more waste.
• A soil compactor is essential for preparing the foundation of a building.
• The construction crew used a heavy compactor to flatten the asphalt on the new road.
• We bought a trash compactor for our kitchen to reduce the volume of our garbage.
• The compactor at the landfill processes tons of refuse every day.