Arsenal (noun)

1. A collection of weapons and military equipment.
2. A collection of resources or tools available for a particular purpose.

Origin:

From old french arsinal, from arabic dar-sina"a "house of manufacture".

Examples:

1. The country's arsenal of nuclear weapons is a major concern for international peace.
2. The team's arsenal of plays and strategies allowed them to dominate the game.
3. The city's police department has an arsenal of non-lethal weapons for crowd control.
4. The company's arsenal of products and services is vast.
5. An arsenal is a collection of weapons and military equipment that is stored and maintained for use in war.