1. large trucks designed to carry and dump loose materials such as sand, gravel, or dirt
Usage: plural of dumper; construction/industrial
2. people who dump or abandon things illegally
Usage: informal

Examples

• The construction site had three dumpers working to remove excess soil.
• Heavy dumpers transported gravel from the quarry to the building site.
• The city installed cameras to catch illegal dumpers in the park.
• Several dumpers were moving debris after the demolition.
• Environmental officers are tracking down the dumpers who left trash by the river.
• The mining operation used massive dumpers to haul ore.
• Police are searching for the dumpers who abandoned furniture on the roadside.