Phrase guide

retention basin

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A depression in the ground containing a permanent pool of water that is replenished by rainwater which would otherwise cause flooding or erosion, which releases the water at a slow rate into the ground or other nearby water bodies.

Definition source: English Wiktionary via Wiktextract

Qualifier: soil science

Topics: geography, hydrology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: retention pond

Antonyms: none provided

2

noun

Meaning 2

a storage site similar to a detention basin but the water in storage is permanently obstructed from flowing downstream

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: river basin, basin, watershed, drainage basin, catchment area, catchment basin, drainage area

History

Etymology

No etymology was provided for this word.