01 n. A captain of a war vessel whose name appeared, or was “posted,” in the seniority list of the British navy, as distinguished from a commande…
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A captain of a war vessel whose name appeared, or was “posted,” in the seniority list of the British navy, as distinguished from a commander whose name was not so posted. The term was also used in the United States navy; but no such commission as post-captain was ever recognized in either service, and the term has fallen into disuse.