きょういき 境域 LinksSentence search for 境域Sentence search for きょういきSentence search for 疆域Kanji details for 境 and 域Edit in JMdict Noun1. boundary; border; precinct; groundsOther forms疆域 【きょういき】Notes疆域: Rarely-used kanji form. Discussions Log in to talk about this word.