cause to flow or flood with or as if with water(verb.change)
Example: Flush the meadows.
source: wordnet30
To flow and spread suddenly; to rush; as, blood flushes into the face.(verb)
source: webster1913
To cause to be full; to flood; to overflow; to overwhelm with water; as, to flush the meadows; to flood for the purpose of cleaning; as, to flush a sewer.(verb)
source: webster1913
To cause by flow; to draw water from, or pour it over or through (a pond, meadow, sewer, etc.); to cleanse by means of a rush of water.(verb)
source: webster1913
To operate a placer mine, where the continuous supply of water is insufficient, by holding back the water, and releasing it periodically in a flood.(verb)