海かい口こう

noun

harbor; entrance to a harbor

General term for a harbor or the entrance to a harbor. Not a common standalone word in modern Japanese; more often seen in place names or literary contexts.

• その港みなとの海かい口こうは狭せまく、大おお型がた船せんは入いれない。

  The entrance to that harbor is narrow, so large ships cannot enter.

noun

Haikou (city in China)

Proper noun referring to Haikou, the capital of Hainan Province, China.

• 海かい口こうは中ちゅう国ごくの海かい南なん島とうにある都と市しです。

  Haikou is a city on Hainan Island in China.