積せき水すいFreq.FrequencyTop 100,000じ字FuriganaMeanings1nounbody of waterarchaicArchaic term for a body of water, such as a lake or sea. Not used in modern Japanese.古ふるい文ぶん献けんでは「積せき水すい」が湖みずうみや海うみを指さすことがある。In old documents, 積水 can refer to a lake or sea.