Magazine

There are a number of definitions:

Rifle magazine: Waiting area for rounds prior to getting fired.

Weapons magazine: Armoury, explosives depository, ammunition store.

Gentlemen's Magazine: see grot

Ladies Magazine: still grot but also has pictures of posh totty in this years fashions and how to get an earth shattering climax out of a 400g bar of Galaxy chocolate and a tumble drier on spin cycle.