Noun
a small battleship built to conform with treaty limitations on tonnage and armament (from 1925 to 1930)
Source: WordNetHarwood's combat policy of three cruisers versus one pocket battleship was to attack at once, day or night. Source: Internet
The power of a raider against a convoy was demonstrated by the fate of convoy HX 84 attacked by the pocket battleship Admiral Scheer on November 5, 1940. Source: Internet