A warship can carry any type of weaponry; A warship doesn't need to carry weapons; A warship must carry many guns; a warship must have a very high displacement; a star destroyer is a warship; the USS Missouri is a warship; the titanic is a warship; the HMS Victory is a warship; a german U-boat is a warship; A warship can be of a moderate size; a greek trireme is a warship; A warship can have any size; a rubber duck is a warship; a portugese man-o-war is a warship; Somali pirate boats are warships