Navy (noun)

1. An organization of a country's military forces responsible for naval operations and protecting the country's coast and shipping.
2. A fleet of ships or boats of a country's navy.

Origin:

The word navy came from the latin word 'navis' meaning 'ship'. in the 15th century, the word began to refer specifically to the ships of a country's navy.

Examples:

1. The United States Navy is one of the largest and most powerful navies in the world.
2. In the battle of Midway, the U.S. Navy achieved a decisive victory against the Japanese.
3. The navy blue uniform of the sailors is a recognizable symbol of their service.
4. The navy's mission is to maintain, train and equip combat-ready naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas.
5. Naval power is a crucial component of a country's military capability, as it allows it to project force and defend its interests in international waters.