Definition of battleship noun from the Oxford Advanced Learner's Dictionary

 

battleship

 noun
noun
BrE BrE//ˈbætlʃɪp//
 
; NAmE NAmE//ˈbætlʃɪp//
 
Types of boats and ships
 
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a very large ship used in war, with big guns and heavy armour (= metal plates that cover the ship to protect it) See related entries: Types of boats and ships Word Origin late 18th cent.: shortening of line-of-battle ship, originally with reference to the largest wooden warships.
See the Oxford Advanced American Dictionary entry: battleship