land·fill 
(lăndfĭl′)
(lăndfĭl′)n.
1.
a. A site for the disposal of solid waste in which refuse is buried between layers of dirt.
b. The disposal of waste at such a site.
2.
a. The reclamation of land in low-lying areas by addition of gravel, rubble, or other loose material.
b. The material used for such reclamation.
tr.v. land·filled, land·fill·ing, land·fills
To dispose of (waste material) in a landfill.