1. counterflood - Noun
2. counterflood - Verb
counterflood (third-person singular simple present counterfloods, present participle counterflooding, simple past and past participle counterflooded)
(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.
counterflood (plural counterfloods)
A flood, or large influx of something, that counteracts another.