: a concealed drain with openings through which the water enters when the water table reaches the level of the drain
an underdrain below a filter bed
: to drain by forming an underdrain
underdrain a meadow
Dictionary Entries Near underdrain
Cite this Entry
“Underdrain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underdrain. Accessed 22 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share