母ぼ港こうぼこうFreq.FrequencyTop 50,000Meanings1nounhome port; port of registryRefers to the port where a ship is based or registered. Used in maritime, naval, and shipping contexts.その船ふねの母ぼ港こうは横よこ浜はまです。The ship's home port is Yokohama.艦かん隊たいは母ぼ港こうに帰き還かんした。The fleet returned to its home port.