society > armed hostility > hostilities at sea > administration and ceremonial > organize naval affairs, etc. [verb (intransitive)] > enter upon command > be appointed post captain (2)
British Navy. To enter upon or attain the rank of full-grade or post captain in the Royal Navy (see sense 4). Now historical.
British Navy to be made post: to be appointed a full-grade or post captain; to be placed on the list of captains in the Royal Navy (see sense 4). Now…