嫡ちゃく出しゅつ推すい定ていちゃくしゅつすいていMeanings1nounpresumption of legitimacy; presumption of child in wedlocklaw›Legal term: a child born within 300 days of divorce is presumed to be the ex-husband's. Used in Japanese family law.嫡ちゃく出しゅつ推すい定ていの規き定ていは