かいこう 開港 Common word LinksSentence search for 開港Sentence search for かいこうKanji details for 開 and 港Edit in JMdict Noun, Suru verb, Transitive verb, Intransitive verb1. opening a port (seaport, airport, etc.); starting operations at a portNoun, Suru verb, Transitive verb, Intransitive verb2. opening a port to foreign vessels or trade Discussions Log in to talk about this word.