noun
maritime authority; marine office
Refers to a government agency or office responsible for maritime affairs, such as safety, regulation, or administration.
管海官庁は船舶の安全を監督している。
The maritime authority oversees the safety of vessels.
Compound of 管 (かん, 'jurisdiction'), 海 (かい, 'sea'), and 官庁 (かんちょう, 'government office').