counterflood

/K AW1 N T ER0 F L AH1 D/
noun
  1. 1

    A flood, or large influx of something, that counteracts another.

verb
  1. 1

    (nautical, transitive) To flood (part of a vessel) deliberately in order to counterbalance flooding already occurring on the other side or end of the vessel, so as to remain on an even keel and avoid capsizing or plunging.