放ほう水すい口こうMeaningsNoun1. waste-water port (of a dam, sewer, etc.); freeing port (on a ship)2. water hose outlet (for firefighting)Kanji used放release水water口mouthComposed of放ほう水すいdischarge of water (from a river, dam, etc.); drainage; spraying water (on); hosingNoun口こうcounter for people or implementsSuffix