Origin of drainless
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for drainless
The result of this drainless irrigation is an efflorescence of salt on the surface of the field.
A drainless shower Of light is poesy; 'tis the supreme power; 'Tis might half-slumb'ring on its own right arm.
A drainless shower Of light is poesy; 'tis the supreme of power; 'Tis might half slumb'ring on its own right arm.Poems 1817