Definitions for "Drainfield"
A system that is usually below grade, designed to absorb liquid waste after it has passed through a septic tank. The drainfield, sometimes referred to as a leachfield, absorption field, deep trench, shallow trench, mound, or bed, comes in many shapes and sizes.
a series of perforated pipes laid in a specially prepared bed of gravel and dirt that acts to filter the wastewater as it seeps into the ground
a series of trenches with pipes that carry waste water