warship
n.a large, strong ship built for fighting at sea. It carries weapons and is used by a country's navy.
n.a ship designed and armed for naval combat. Typically operated by a sovereign state's naval forces and distinguished from merchant vessels by its offensive and defensive capabilities.
“The warship sailed into the harbor this morning.”
“The navy deployed a modern warship to patrol the international waters and protect trade routes from piracy.”
“The treaty restricted the number of heavy warships each nation could maintain, aiming to prevent a naval arms race in the Pacific theater.”
“It is also on the ship's route from the Gulf to California, giving the crew a chance to let off steam, and enjoy a break from the demands of life on board a warship.”
“The Lincoln, one of the US navy’s largest warships, was part of American efforts in the Iran war, which flared back up over the weekend for the first time in a month.”
From war + ship.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.