とこ 閉じ込める Common word Show inflections LinksSentence search for 閉じ込めるSentence search for とじこめるSentence search for 閉じこめるSentence search for 閉込めるKanji details for 閉 and 込Edit in JMdict Ichidan verb, Transitive verb1. to lock up; to shut up; to imprisonOther forms閉じこめる 【とじこめる】、閉込める 【とじこめる】 Discussions Log in to talk about this word.