arsenal

UK [ˈɑː(r)s(ə)n(ə)l] / US [ˈɑrs(ə)nəl] noun [countable]
Word forms "arsenal":
singular arsenal plural arsenals

1) a large collection of weapons and military equipment

an arsenal of guns/ammunition/nuclear weapons

2) a building used for storing guns and military equipment

3) a large collection of things you can use to achieve a particular purpose

arsenal of:

In its arsenal of evidence, the government has more than 1,000 hours of taped phone calls.