noun, masculine/feminine/ka.pi.tɛn də vɛ.so/plural: capitaines de vaisseau
capitaine de vaisseau is masculine or feminine depending on context in French.
Naval military officer in command of a capital ship or a small squadron. Equivalent of a ship of the line captain in Commonwealth navies and a full captain in the United States navy. Ranking above a capitaine de corvette and below contre-amiral
Related: capitaine de vaisseau-major