Warship
In short
A naval vessel specifically built and equipped for combat operations. These ships are designed to fight in naval warfare and are typically owned by a nation's navy.
In plain words
A warship is a strong boat used by militaries to fight at sea. Unlike normal ships that carry goods, these carry weapons and soldiers. They are built to be fast and to survive being hit in battle.
A simple example
A destroyer patrolling the ocean to protect trade routes from enemy attacks. It uses radar and missiles to spot and stop threats.
Why it matters
They allow countries to protect their borders and sea lanes from other nations. They also help enforce international laws and provide aid during maritime crises.
Easy to mix up
Do not confuse a warship with a merchant ship, which is designed for carrying cargo rather than fighting.