noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An underground layer of water-bearing porous stone, earth, or gravel.

   "The water in the well came from an aquifer."

2. 2
   underground bed or layer yielding ground water for wells and springs etc wordnet

Example

More examples

"The aquifer provides water for irrigation."

Etymology

From aqui- + -fer.

Related phrases

N-aquiferartesian aquiferwater content

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.