noun ·Rare ·Advanced level

Definitions

Noun

1. 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.
2. 2
   a storage site similar to a detention basin but the water in storage is permanently obstructed from flowing downstream wordnet

Synonyms

All synonyms

retention pondretention ponds