A heavy cruiser was a type of cruiser, a naval warship designed for long range and high speed, armed generally with naval guns of roughly 203 mm (8 inches) in calibre, whose design parameters were dictated by the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930. Heavy cruisers were generally larger, more heavily-armed and more heavily-armoured than light cruisers while being smaller, faster, and more lightly-armed and armoured than battlecruisers and battleships. Heavy cruisers were assigned a variety of roles ranging from commerce raiding to serving as 'cruiser-killers,' i.e. hunting and destroying similarly-sized ships
HMS Frobisher, a Hawkins-class cruiser around which the Washington Naval Treaty limits for heavy cruisers were written.
Armoured cruiser USS Tennessee, armed with four 10-inch (250 mm) guns, ca. 1907
HMS Hawkins, lead ship of her class.
HMAS Canberra, a County-class "treaty cruiser".
A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several operational roles from search-and-destroy to ocean escort to sea denial.
US Navy's Virginia-class cruiser USS Arkansas. The Virginia class was the last class of nuclear-powered cruisers in the US.
Russian Slava-class cruiser Marshal Ustinov
Marco Polo, the Royal Italian Navy's first armored cruiser
The Russian protected cruiser Aurora