From Longman Dictionary of Contemporary Englishsea captainˈsea ˌcaptain noun [countable] TTWBOthe captain of a ship
Examples from the Corpus
sea captain• My father was a sea captain, a pilot in the Suez Canal.• And it debunked and later destroyed the reputation of a great sea captain, a good friend of my father.• It was the old sea captain, in whose house Nils had billeted us, who told us.• The engineer differs from the trader much as the general differs from the sea captain.• The sea captain was led down from the wharf to the beach, to stand on the platform beneath the gallows beam. 