seepage pit
noun
a pit that is lined with a porous, mortarless masonry wall in which effluent from a septic tank is collected for gradual seepage into the ground, sometimes used as a substitute for a drainfield.
Words nearby seepage pit
seen,
seen better days, have,
seen one, seen them all,
seep,
seepage,
seepage pit,
seepy,
seer,
seeress,
seersucker,
seesaw