Found 1 items, similar to Underdrain.
English → English (gcide) Definition: Underdrain Underdrain \Un"der*drain`\, n. An underground drain or trench with openings through which the water may percolate from the soil or ground above. [1913 Webster] Underdrain \Un`der*drain"\, v. t. To drain by forming an underdrain or underdrains in; as, to underdrain land. [1913 Webster]