1. a large truck designed to carry and dump loose materials such as sand, gravel, or dirt
2. a person or thing that dumps something
3. a large ocean wave that crashes down forcefully
Usage: surfing

Examples

• The construction crew used a dumper to transport gravel to the building site.
• Several dumpers lined up at the quarry to collect loads of crushed stone.
• The illegal dumper was caught disposing of waste in the forest.
• That wave was a real dumper that knocked me off my surfboard.
• The dumper truck backed up to the construction site.
• Heavy dumpers rumbled past the house all morning.