armoury (armouries plural )
in AM, use armory
1 n-count A country's armoury is all the weapons and military equipment that it has.
Nuclear weapons will play a less prominent part in NATO's armoury in the future...
2 n-count An armoury is a place where weapons, bombs, and other military equipment are stored.
(=arsenal)
3 n-count In the United States, an armoury is a building used by the National Guard or Army Reserve for meetings and training.
4 n-count An armoury is a factory where weapons are made.
(AM)
5 n-count You can refer to a large number of things which someone has available for a particular purpose as their armoury.
(BRIT)
(=arsenal)
The strongest weapon in the government's armoury is the price cuts announced on Saturday...