Arsenal SUPPLIES refer to the weapons, ammunition, and other military equipment used by an army. The term 'ARSENAL SUPPLIES' can be broken down into two words: 'ARSENAL' and 'SUPPLIES'. 'ARSENAL' is a four-letter word that refers to a place where weapons and ammunition are stored and maintained. 'SUPPLIES' refers to the materials needed to maintain and operate the ARSENAL. Together, these two words refer to the weapons, ammunition, and other military equipment used by an army.