landfill
US /ˈlænd.fɪl/
UK /ˈlænd.fɪl/

1.
a place where rubbish is buried under the ground
:
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The city's waste is transported to a large landfill site.
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Reducing waste helps decrease the amount of trash sent to landfills.
1.
to dispose of waste material by burying it, especially as a method of filling in and reclaiming excavated land
:
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The company plans to landfill the contaminated soil in a secure facility.
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Many communities are looking for alternatives to simply landfilling their waste.