じんこうこ 人工湖 LinksSentence search for 人工湖Sentence search for じんこうこSentence search for 人口湖Kanji details for 人, 工 and 湖Edit in JMdict Noun1. artificial lake; man-made lake; reservoirSee also 人造湖Other forms人口湖 【じんこうこ】Notes人口湖: Irregular kanji usage. Discussions Log in to talk about this word.