Armory

Definition 
Merriam-Webster Online, http://m-w.com/

Pronunciation: 'ärm-rE, 'är-m&-rE
Function: noun
Inflected Form(s): plural ar·mor·ies

Date: 14th century

1. a : a supply of arms for defense or attack b : a collection of available resources

2. : a place where arms and military equipment are stored; especially : one used for training reserve military personnel

3. : a place where arms are manufactured