関かん門もん海かい峡きょうMeaningsNoun1. Kanmon Straits (between Honshu and Kyushu)Kanji used関connected to門gate海sea峡ravineComposed of関かん門もんbarrier; checkpoint; gateway; hurdle; obstacle; trialNoun海かい峡きょうchannel (e.g. between two land masses); straitNoun