any of a class of warships that are the most heavily armored and are equipped with the most powerful armament.
ship of the line
a heavily armoured warship of the largest type having many large-calibre guns
(formerly) a warship of sufficient size and armament to take her place in the line of battle; ship of the line
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Now youre a tower of strength: a consort battleship.
Planes, balloons, battleship guns pointed upward-there is no shortage of possible delivery vehicles.
Partly buried by flakes of battleship-gray rock is a telling geological formation.
In theory, once you can control a computer cursor, you can do anything from drawing circles to piloting a battleship.