wellpoint

[wel-point]
noun Engineering, Building Trades.
  1. a perforated tube driven into the ground to collect water from the surrounding area so that it can be pumped away, as to prevent an excavation from filling with ground water.

Origin of wellpoint

First recorded in 1940–45; well2 + point
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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