What is the meaning of Destroyer?

That which destroys something.

A small, fast warship with light gun armament, smaller than a cruiser, but bigger than a frigate.

A larger warship with guided missile armament, usually intended for air defence or anti-ship roles. Often, but not always, larger than a frigate and smaller than a cruiser.

  1. A starship of comparable role.

A starship of comparable role.

destroyer (warship)

destroyer

Source: wiktionary.org