友ゆう好こう通つう商しょう航こう海かいMeaningsNoun1. (treaty of) friendship, commerce and navigationKanji used友friend好liked通pass through商make a deal航navigation海seaComposed of友ゆう好こうfriendshipNoun通つう商しょうcommerce; tradeNoun航こう海かい(sea) voyage; navigation; sailing; passage; cruiseNoun