既き決けつ囚しゅうきけつしゅうMeanings1nounconvict; convicted prisonerLegal term for a prisoner whose sentence has been finalized, as opposed to 未決囚 (a detainee awaiting trial).See also: 未決囚既き決けつ囚しゅうは刑けい務む所しょに移い送そうされた。The convicted prisoner was transferred to the prison.