一夫多妻制 いっぷたさいせい Meanings Noun polygyny Kanji 一 one. Read as イチ. 夫 husband 多 many 妻 wife. Read as サイ. 制 control. Read as セイ. Example sentences 日本は一夫多妻制ではないんですよ、あなた。We don't have polygamy in Japan, dear. Jinuma: Japanese Dictionary · Word lists