戦せん列れつ艦かんMeanings1nounship of the lineHistorical term for a large warship used in line-of-battle tactics during the age of sail.戦列艦せんれつかんはじは18世紀ゅうはっせの海戦いきのかいせで主力んでしゅりょくとなった。Ships of the line were the main force in 18th-century naval battles.