- a low area of land that is built up from deposits of solid refuse in layers covered by soil.
- the solid refuse itself.
- to create more usable land by this means.
- to make (an area of land) by means of a landfill.
- to use in a landfill: to landfill millions of tons of garbage each year.
- disposal of waste material by burying it under layers of earth
- (as modifier)