A [[warship]] from the age of sail. Large and heavily armed, they were equipped with two or more decks of [[cannon]]s, giving them armament equivalent to several smaller warships (such as [[frigate]]s) combined.

One of the most famous ships of the line is [[HMS Victory]], which was Admiral Nelson's flagship at the Battle of Trafalgar.

h4. See also
* [[Sailing ship]]
ship of the line