dry well

English

Alternative forms

• drywell

Etymology

From dry +‎ well (in both open compound and solid compound form).

Pronunciation

IPA^(key): /ˈdɹaɪˌwɛl/

Noun

dry well (plural dry wells)

1. (civil engineering, construction) An underground structure (for example, a pit filled with gravel) that disposes of unwanted water (most commonly surface runoff and stormwater and in some cases greywater) by holding it and dissipating it into the groundwater.

   Synonyms: absorbing well, drain well, negative well, dumb well, dead well, blind well

2. Used other than figuratively or idiomatically: see dry,‎ well. Any kind of well that is dry.

See also

• rain garden
• sump