deep well
A well that draws water from beneath an impermeable stratum.
Glossary
Glossary
deep-seal trap, antisiphon trap
In plumbing, a U-shaped trap having a seal, 3 of 4 in. (10 cm) or more.
Glossary
deep foundation
A continuous foundation which provides a footing by filling a deep trench with concrete.
Glossary
deed restriction
A limitation on the use of land, which is set forth in a deed conveying the restriction.