[noun uhn-der-dreyn; verb uhn-der-dreyn]
- a drain placed beneath the surface of cultivated fields, streets, etc.
- to equip or supply with an underdrain or underdrains.
Origin of underdrain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for underdrain
I would urge no farmer to plunge up to his neck into debt in order to underdrain his farm.What I know of farming:
- a drain buried below agricultural land
- to bury such drains below (agricultural land)