Definitions

1. noun

A reduction in the amount of water drawn from a well or other source, often to avoid lowering the water table.

“The farmer had to implement an underdraft to sustain the water supply for his livestock.”

2. verb

To draw or take less water from a well or other source, especially to avoid lowering the water table.

“The engineer instructed the team to underdraft the well to prevent further depletion of the aquifer.”