Reference meaning
underdrain
Last updated
An underground drain or trench with openings through which the water may percolate from the soil or ground above.
Other meanings
2. verb
To drain by forming an underdrain or underdrains in.
Source and scope
This definition is reproduced from English Wiktionary, sense en-underdrain-en-noun-NT3dox0M, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.